| Patent Number |
Title Of Patent |
Date Issued |
| 6132816 |
Method for producing homoepitaxial diamond thin films |
October 17, 2000 |
| A method for producing homoepitaxial diamond thin film is provided which includes a step of effecting plasma assisted CVD with the carbon source concentration of a mixed gas of a carbon source and hydrogen set to a first low level for depositing a high-quality homoepitaxial diamond thin |
| 6132524 |
Semiconductor magneto-optical material |
October 17, 2000 |
| A semiconductor magneto-optical material includes a semiconductor dispersed with fine magnetic material particles and is characterized by exhibiting magneto-optical effect at ordinary room temperature. |
| 6108094 |
Ultra-minute microscope for spectroscopy |
August 22, 2000 |
| An ultra-minute microscope for spectroscopy includes a rod-shaped lens having an index of refraction distribution gradient and capable of having a sample mounted on one end surface thereof, an element for projecting a laser beam into the rod-shaped lens from another end surface thereof a |
| 6083008 |
Optical phantom of living body and method for producing it |
July 4, 2000 |
| An optical phantom of a living body includes a multiplicity of phantom layers shaped to the contours of a target part of a living body. A space portion is provided at a prescribed location inside the phantom. Inlet and outlet conduits enable liquid phantom to be supplied to the space por |
| 6036773 |
Method for growing Group III atomic layer |
March 14, 2000 |
| A Group III atomic layer required for fabrication of a semiconductor quantum nanostructure is grown to be properly restricted to a monolayer.A substrate is configured to have a fast-growth surface portion where growth of a Ga atomic layer proceeds at a relatively high rate and a slow-gro |
| 6015434 |
Artificial heart pump |
January 18, 2000 |
| An artificial heart pump includes a casing having a pump chamber inside the casing and a partition that closes, in a fluid-tight manner, the bottom portion of the pump chamber, an impeller disposed inside the pump chamber so that it is rotatable about the axis of rotation and including a |
| 6006593 |
Method using cantilever to measure physical properties |
December 28, 1999 |
| A method of measuring physical properties using a cantilever comprises bringing a tip attached at one end of a cantilever into contact with a sample and causing a vibrational force of a frequency between 10 and 1000 times the fundamental resonance frequency of the cantilever to act on th |
| 5999833 |
Method for production of superconducting oxide tape and superconducting oxide tape produced ther |
December 7, 1999 |
| A method for the production of a superconducting oxide tape having a Bi.sub.2 Sr.sub.2 Ca.sub.2 Cu.sub.3 O.sub.10 (Bi-2223) structure interposed between silver sheets, which method consists essentially of preparing a sandwich structure having interposed between silver sheets a molded |
| 5988845 |
Universal unit for automatically configuring three-dimensional structures of a desired shape |
November 23, 1999 |
| A three-dimensional universal unit includes multiple identically configured assembly units, each having a central unit body, arms that can rotate relative to the unit body, the arms extending from the unit body in three orthogonal axes and having a connecting mechanism at the end of each |
| 5945720 |
Photo-receiving device with light guide |
August 31, 1999 |
| A high-speed, high-sensitivity photo-receiving device has a light-absorbing substrate, on which a pair of electrodes are provided. An insulative optical guide is located over an exposed surface portion of the substrate constituting an optical window. The optical guide is permeable to inc |
| 5935454 |
Ultrafine fabrication method |
August 10, 1999 |
| A method of fabricating nanometric structures on a substrate by dry etching includes setting the substrate at a temperature at which condensation of etching gas products of etching gas decomposed, recombined and reacted, or products of reactions between the etching gas and substrate mate |
| 5901778 |
Method of manufacturing metallic materials with extremely fine crystal grains |
May 11, 1999 |
| A method of manufacturing metallic materials with extremely fine crystal grains comprises the steps of: taking molten metallic material that was melted by heating in a melting chamber and introducing it into an agitation chamber from said melting chamber, and in this agitation chambe |
| 5895227 |
Method of fabricating a photo-device |
April 20, 1999 |
| A method of fabricating a photo-device includes the steps of forming an optically nontransparent, electrically conductive layer on the surface of a photoelectric conversion substrate, and transferring a portion of the optically nontransparent, electrically conductive layer using a scanni |
| 5891828 |
Method of producing superconducting PrBa.sub.2 Cu.sub.3 O.sub.y single crystal and PrBa.sub.2 Cu |
April 6, 1999 |
| PrBa.sub.2 Cu.sub.3 O.sub.Y exhibiting superconductivity is provided by a method including the steps of preparing a solvent consisting of a mixture of praseodymium oxide, at least one of barium oxide and barium carbonate, and copper oxide at a mixing ratio of between 1:3:5 and 1:8:20, di |
| 5890396 |
Arm mechanism with independent control of position and orientation |
April 6, 1999 |
| An arm mechanism includes a drive control mechanism that uses an end effector coordinate system and has an end effector drive control mechanism. The drive control mechanism includes an end effector rotational drive control mechanism and an end effector coordinate system translational |
| 5781608 |
X-ray exposure system |
July 14, 1998 |
| An x-ray exposure system that reduces the time required to evacuate an internal chamber of a vacuum vessel, uses a low-power laser to produce the plasma that generates the x-rays, and enables the sample to be maintained outside the vacuum vessel. The system includes a detachable cover me |
| 5763340 |
Method for production of SiO.sub.2 glass material having regions changed in light refractive ind |
June 9, 1998 |
| A method for producing a SiO.sub.2 glass material having regions changed in light refractive index is provided which comprises implanting at least 5.times.10.sup.19 Ge ions/cm.sup.3 into a SiO.sub.2 glass substrate, heat-treating the substrate at a temperature exceeding 300.degree. C., a |
| 5735088 |
Staircase hoist for wheelchair users |
April 7, 1998 |
| A staircase hoist for wheelchair users includes a hoist carrier plate having a pair of brackets, two guide rails in slidable engagement with the pair of brackets to maintain the hoist carrier plate in a prescribed attitude, the guide rails being disposed vertically parallel to one an |
| 5713665 |
Method and apparatus for thermal diffusivity measurement |
February 3, 1998 |
| A method for thermal diffusivity measurement includes the steps of periodically heating a sample with a heat source modulated at an operating frequency, detecting an ac temperature of the sample at a detection point a predetermined distance apart from a heating point of the sample, the a |
| 5710478 |
Field emitter having source, channel, and drain layers |
January 20, 1998 |
| A field emission device of simple structure enables stabilization and control of field emission current. A three-dimensional emitter formed on a base member incorporates therein a source layer on the side in contact with the base member, a drain layer on the side of the distal end in |
| 5705449 |
High-strength, high-toughness silicon nitride sinter |
January 6, 1998 |
| A method for the production of a high-strength high-toughness silicon nitride sinter includes the steps of mixing a silicon nitride powder with a sintering additive, adding to the resultant mixture as seed particles 0.1 to 10% by volume, based on the amount of the mixture, of elongated |
| 5704016 |
Temporal learning neural network |
December 30, 1997 |
| A temporal learning neural network includes a plurality of temporal learning neural processing elements and an input/output control section. Each element includes a calculation device and a learning device. The calculation device includes an input memory section and a response calcul |
| 5703002 |
Photocatalyst particles containing ferromagnetic metal particles and method for synthesis thereo |
December 30, 1997 |
| Photocatalyst particles consist essentially of a matrix consisting of the crystal phase of a semiconducting metal oxide as a photocatalyst and ferromagnetic metal particles dispersed in the matrix, having an average particle diameter of 15 nm at most and a specific surface area of 100 |
| 5698265 |
Calcium phosphate compound-cellulose fiber composite material and method for production thereof |
December 16, 1997 |
| A method for the production of a composite consisting of cellulose fibers coated with a calcium phosphate compound consists essentially of phosphorylating the surface of cellulose fibers, immersing the surface-phosphorylated cellulose fibers in an aqueous solution containing calcium |
| 5696098 |
Partially N-acylated compound of chitooligosaccharide, salt thereof, and use thereof |
December 9, 1997 |
| A partially N-acylated compound of chitooligosaccharide consisting essentially of 2 number of acyl glucosamine constituent units, m number of glucosamine constituent units and n number of acetyl glucosamine constituent units, wherein the ratios of l, m and n to the sum of l, m and n |
| 5684852 |
X-ray lens |
November 4, 1997 |
| An X-ray lens includes a plurality of hollow cylinders of prescribed radius bored in a lens material piece having a phase lag coefficient appropriate for the wavelength of the X-rays to be focused such that the axes of the hollow cylinders are parallel and perpendicularly intersect a str |
| 5676861 |
Laser guided discharge machining apparatus |
October 14, 1997 |
| A laser guided discharge machining apparatus includes a vacuum chamber able to accommodate a workpiece and in which it is possible to create a reduced pressure condition of 3000 Pa or below, a discharge electrode accommodated in the vacuum chamber able to discharge charged particles, a l |
| 5670206 |
Deodorizing lamp and method for production thereof |
September 23, 1997 |
| A deodorizing lamp comprises a lamp unit and a titanium oxide film coating the glass surface of the lamp unit and optionally at least one metal selected from among iron, platinum, rhodium, ruthenium, palladium, silver, copper, zinc, and manganese deposited on the surface of the titanium |
| 5667561 |
Method for selective separation of carbon dioxide from waste gas of combustion |
September 16, 1997 |
| Selective separation and recovery of gaseous components of hot waste gas of combustion containing carbon dioxide is attained by causing the hot waste gas to contact an adsorbent containing as a substantial main component thereof an inorganic solid substance exhibiting surface basicity an |
| 5662726 |
Method for separation of nitrogen and carbon dioxide by means of sepiolite as separation medium |
September 2, 1997 |
| A mixed gas consisting of carbon dioxide and nitrogen is separated into the component gases by a method which comprises treating sepiolite with nitric acid, subjecting the treated sepiolite to an ion-exchange treatment thereby exchanging the cationic metal present in the treated sepiolit |
| 5661328 |
Photo-receiving device, and method of fabricating a photo-device |
August 26, 1997 |
| A high-speed, high-sensitivity photo-receiving device has a light-absorbing substrate, on which a pair of electrodes are provided. An insulative optical guide is located over an exposed surface portion of the substrate constituting an optical window. The optical guide is permeable to inc |
| 5660863 |
Apparatus for production of ceramics reinforced with three-dimensional fibers |
August 26, 1997 |
| An apparatus for the production of three-dimensional fiber-reinforced ceramics, which apparatus contains a foundation open at an upper end thereof and enclosing an empty space and a cylinder disposed on the foundation, the empty space of the foundation and an open space of the cylind |
| 5654440 |
Method for production of optically active (+)-4,4,4-trifluoro-3-(indole-3-)butyric acid |
August 5, 1997 |
| An optically active (+)-4,4,4-trifluoro-3-(indole-3-)butyric acid is produced by a method which consists essentially of causing 2,2,2-trifluoroethanol to react on a racemic modification 4,4,4-trifluoro-3-(indole-3-)butyric acid thereby forming a reaction solution containing the trifl |
| 5653785 |
Method for separation of nitrogen and carbon dioxide by use of ceramic materials as separating a |
August 5, 1997 |
| Separation of nitrogen and carbon dioxide is accomplished by a method using as a separating material one member selected from the group consisting of sepiolite in the unmodified form, sepiolite which has been heat-treated, and sepiolite which has had part or the whole of the exchangeable |
| 5651574 |
Micromanipulator |
July 29, 1997 |
| A micromanipulator comprises an upper parallel linkage connecting a base member and an opposed middle plate by links, a lower parallel linkage connecting the middle plate and an opposed base plate by links, a first finger attached to the base member of the upper parallel linkage, a secon |
| 5650126 |
Deodorizing lamp and method for production thereof |
July 22, 1997 |
| A deodorizing lamp comprises a lamp unit and a titanium oxide film coating the glass surface of the lamp unit and optionally at least one metal selected from among iron, platinum, rhodium, ruthenium, palladium, silver, copper, zinc, and manganese deposited on the surface of the titanium |
| 5650007 |
Method for production of spinel single crystal filaments |
July 22, 1997 |
| Spinel single crystal filaments are produced by a method which consists essentially of solidifying in one direction a melt consisting essentially of 30 to 70% by weight of magnesium oxide, 10 to 45% by weight of aluminum oxide, and 15 to 45% by weight of silicon dioxide, thereby forming |
| 5648605 |
Flowmeter calibration method |
July 15, 1997 |
| A flowmeter calibration method includes disposing a flowmeter on a standard flowpath, disposing a flowmeter on each of a plurality of branch flowpaths in communication with the standard flowpath, using the flowmeters disposed on the flowpaths to vary a fluid flow through each flowpath an |
| 5638673 |
Method and apparatus using hydrogen-occluded alloy for recovering power from waste heat |
June 17, 1997 |
| An apparatus for a method using hydrogen-occluded alloy for recovering power from waste heat includes first and second heat exchangers containing hydrogen-occluded alloy, a first selector valve for alternating introduction of waste heat fluid between the first and second heat exchang |
| 5637880 |
Method for extracting ion current from space of high vacuum into space of low vacuum |
June 10, 1997 |
| A method for the extraction of an ion current from a space of a high degree of vacuum into a space of a low degree of vacuum comprises interposing between the space of the high degree of vacuum and the space of the low degree of vacuum an ion current thin film formed of a member having a |
| 5635947 |
Eye movement tracking display |
June 3, 1997 |
| An eye movement tracking display comprises an image generator having wide view angle image generation means and narrow view angle image generation means and functioning to produce an image for display in a wearer's field of vision, an image display for displaying the image produced by th |
| 5625457 |
Method and apparatus for non-contact measurement of relative displacement |
April 29, 1997 |
| An apparatus for performing non-contact measurement of relative displacement includes a microscope having one objective lens and two fields of view in which two points of measurement on a test piece can be located separately, a pair of cameras for taking images obtained with the micr |
| 5623090 |
Method for production of alcohol, ketone, and epoxide by oxidation of hydrocarbon |
April 22, 1997 |
| An alcohol or a ketone or a mixture thereof is produced from a saturated hydrocarbon or an epoxide is produced from an unsaturated hydrocarbon by passing a mixture comprising of molecular hydrogen, the saturated or unsaturated hydrocarbon and oxygen through a bed of a catalyst comprising |
| 5618345 |
Method of producing self-supporting thin film of silicon single crystal |
April 8, 1997 |
| A self-supporting thin film of silicon single crystal is produced essentially by the steps of implanting boron ions in a silicon single crystal substrate from one major surface thereof to form a high impurity concentration layer having a high boron concentration in the substrate; hea |
| 5610097 |
Method for forming electrode on semiconductor |
March 11, 1997 |
| A method for forming electrodes on a semiconductor includes introducing at least one reactive oxidizing gas selected from the group consisting of ozone, atomic oxygen, nitrogen dioxide, oxygen ion and oxygen plasma to an oxide semiconductor surface and depositing electrode material on th |
| 5609787 |
Method for extinguishing fire |
March 11, 1997 |
| A method for extinguishing fire uses a gaseous fire-extinguishing agent having as an active component thereof a polyfluoro-tertiary amine represented by the following formula:wherein Rf stands for a polyfluoroalkyl group of 1-4 carbon atoms or a polyfluoroalkenyl group of 1-4 carbon atom |
| 5601367 |
Temperature sensor for sensing temperature in a magnetic field |
February 11, 1997 |
| A temperature sensor includes a first sensor section having first and second conductors connected at their one ends and defining macroscopic current paths directed in different directions with respect to that of a magnetic field and having resistance values such that the magnetic field |
| 5598105 |
Elementary cell for constructing asynchronous superconducting logic circuits |
January 28, 1997 |
| An elementary cell uses single-flux-quanta as two-valued logic propagation signals and is effective for Constructing asynchronous superconducting logic circuits. The elementary cell comprises one OR circuit section and one AND circuit section. Input pulses applied to two input terminals |
| 5594773 |
X-ray lens |
January 14, 1997 |
| An X-ray lens includes a plurality of hollow cylinders of prescribed radius bored in a lens material piece having a phase lag coefficient appropriate for the wavelength of the X-rays to be focused such that the axes of the hollow cylinders are parallel and perpendicularly intersect a str |
| 5576431 |
Method for production of perfluoro-cyclic imine |
November 19, 1996 |
| A perfluoro-cyclic imine represented by the formula: ##STR1## is produced by a method which comprises placing in a reaction vessel a perfluoro compound represented by the formula: ##STR2## wherein X stands for one member selected from among CF.sub.2, CF(CF.sub.3), and oxygen |