| Patent Number |
Title Of Patent |
Date Issued |
| 7160636 |
Ferrite thin film, method of manufacturing the same and electromagnetic noise suppressor using t |
January 9, 2007 |
| A ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magne |
| 6902814 |
Quartz glass parts, ceramic parts and process of producing those |
June 7, 2005 |
| In quartz glass parts and ceramic parts that are used in film-deposition devices and pre-cleaning devices in the production of semiconductors, etc., there are problems such as peeling off of the parts themselves during the use, peeling off of film-like substances adhered to the part |
| 6421303 |
MULTILAYER RESONANCE DEVICE AND MAGNETO-OPTICAL RECORDING MEDIUM WITH MAGNETIC CENTER LAYER OF A |
July 16, 2002 |
| A multilayer resonance device of the invention includes regularly stacked layers each formed by alternately stacking a magnetic substance and a dielectric substance with thickness regularity, and an irregular layer including a magnetic substance, having a thickness disaccording with the |
| 6379786 |
Ligneous finishing material |
April 30, 2002 |
| A ligneous finishing material including a base plate, a sheet formed from a sheet base impregnated with a thermosetting resin and attached to the base plate, and a decorative sheet impregnable with a resin and attached to the sheet. The base plate, sheet and decorative sheet are laminate |
| 6357693 |
Tape guide roll with an inner cylinder recessed from an outer cylinder at the ends |
March 19, 2002 |
| A roll for a tape guide 8 and a method for manufacturing the tape guide roll. The tape guide roll 8 is molded by injecting a molding material into a pre-set cavity 22. The tape guide roll 8 is made up unitarily of an inner cylindrical portion 9, an outer cylindrical portion 10, and plura |
| 6323302 |
Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof |
November 27, 2001 |
| Aromatic polycarbonate having a reduced discoloration and improved heat stability, hue, etc. is provided by keeping a pressure in a raw material melting vessel and the linear velocity of a gas in a transporting piping in a specific range, keeping the concentration of a nitrogen-containin |
| 6262949 |
Multilayer resonance device and magneto-optical recording medium with magnetic center layer of a |
July 17, 2001 |
| A multilayer resonance device of the invention includes regularly stacked layers each formed by alternately stacking a magnetic substance and a dielectric substance with thickness regularity, and an irregular layer including a magnetic substance, having a thickness disaccording with the |
| 6256508 |
Simultaneous broadcasting system, transmitter and receiver therefor |
July 3, 2001 |
| A simultaneous broadcasting system, a transmitter, and a receiver therefor use a first frequency bandwidth for a wide area broadcasting and a second frequency bandwidth for a local area broadcasting obtained by dividing a frequency bandwidth of one broadcasting channel. In the simultaneo |
| 6233416 |
Electrophotography with AC erasing of latent image |
May 15, 2001 |
| An image-forming apparatus includes a photosensitive member having a gamma for latent image of 3 or more, electrification facilities, light exposure facilities, image development facilities, image transfer facilities, cleaning facilities, and a charge erasing light source which applies a |
| 6160679 |
Recording medium device for use with a tape cartridge having an auxiliary memory viewable throug |
December 12, 2000 |
| A recording medium device including a cartridge body within which a tape-shaped recording medium on which information signals are recorded is accomodated, wherein a cartridge discrimination opening (hole) indicating the specification of the recording medium device is provided at the bott |
| 6073872 |
Attachment structure onto tape reel of tape body, attachment method thereof, deforming apparatus |
June 13, 2000 |
| An attachment structure for a tape body which supports, on reel hubs, a tape body such as a leader tape, etc. to which a magnetic tape is connected. This attachment structure comprises a tape reel provided with a reel hub which takes cylindrical shape provided at the central portion |
| 6047919 |
Attachment structure onto tape reel of tape body, attachment method thereof, deforming apparatus |
April 11, 2000 |
| A method of attachment for a tape body which supports, on reel hubs, a tape body such as a leader tape, etc. to which a magnetic tape is connected. This attachment structure comprises a tape reel provided with a reel hub which takes cylindrical shape provided at the central portion there |
| 6043962 |
Tape cassette and metal mold device for molding tape cassette halves |
March 28, 2000 |
| A tape cassette housing a cassette main body unit a pair of tape reels. The cassette main body unit is made up of an upper cassette half and a lower cassette half, and a tape-shaped recording medium is placed between the tape reels. A frame unit is provided of a synthetic resin having an |
| 5992784 |
Lid assembly for tape cartridge |
November 30, 1999 |
| A tape cartridge includes a front lid rotatably mounted to a casing for closing a tape loading space thereof, a back lid rotatably mounted to the front lid and including a hood for closing a back-lid opening of the casing and a leg for protecting the back of a magnetic tape positioned in |
| 5926351 |
Tape cartridge with irregular surface sections for reducing slippage between cartridge and gripp |
July 20, 1999 |
| A tape cartridge that can be extracted from the recording/reproducing apparatus by a changer device in which powder debris caused by abrasion are not produced and flow marks may be prevented from becoming apparent. The tape cartridge has a main body portion, on which outer peripheral wal |
| 5858499 |
Polycarbonate copolymer containing oxaspiroundecane group and production process therefor |
January 12, 1999 |
| A polycarbonate copolymer which consists essentially of 5 to 95 mol % of recurring units containing a specific spiroglycol unit and 95 to 5 mol % of recurring units containing a specific biphenol unit, and has a reduced viscosity (.eta..sub.sp /c), measured at 20.degree. C. in a solution |
| 5855333 |
Tape cartridge |
January 5, 1999 |
| A tape cartridge in which it is possible to suppress warping otherwise produced in a lower cartridge half in its entirety on insert molding a meal plate on the lower cartridge half. A reel lock unit 21 having a reel lock member 37 and a mistaken recording inhibiting member 39 is mounted |
| 5850985 |
Attachment structure onto tape reel of tape body, attachment method thereof, deforming apparatus |
December 22, 1998 |
| An attachment structure for a tape body which supports, on reel hubs, a tape body such as a leader tape, etc. to which a magnetic tape is connected. This attachment structure comprises a tape reel provided with a reel hub which takes cylindrical shape provided at the central portion |
| 5788831 |
Method for sterilizing apparatus for preparation of recording material |
August 4, 1998 |
| An inexpensive, safe method for sterilizing an apparatus for the preparation of a recording material, which obviates troubles affecting a coated surface of the recording material caused by bacteria and fungi, does not cause changes in photographic performance (sensitivity, fog, grain |
| 5774312 |
Tape cassette |
June 30, 1998 |
| A tape cassette housing a cassette main body unit a pair of tape reels. The cassette main body unit is made up of an upper cassette half and a lower cassette half, and a tape-shaped recording medium is placed between the tape reels. One of the cassette halves constituting the cassette ma |
| 5695694 |
Method of producing an acylated cellulose film |
December 9, 1997 |
| An acylated cellulose film having a high optical isotropy and uniformity is produced by dissolving an acylated cellulose in a solvent substantially free from water and including, as a principal component, 1,3-dioxolane in a ratio in weight of the acylated cellulose to the solvent of 10/2 |
| 5574510 |
Multi-component video signal mixer |
November 12, 1996 |
| A video signal mixing device for mixing a first video signal including at least a mutually related first signal component and second signal component and a second video signal which is made up of at least a mutually related first signal component and second signal component, for each |
| 5516878 |
Process for the production of aromatic polycarbonate |
May 14, 1996 |
| A process for the production of an aromatic polycarbonate, which comprises polycondensing an aromatic dihydroxy compound and a diaryl carbonate in the presence, as a polycondensation catalyst, of at least one alkali metal salt selected from the group consisting of alkali metal salts of |
| 5297753 |
Tape cassette |
March 29, 1994 |
| In a short-time recording tape cassette having a mouth section for receiving a head drum, a pair of tape reels can be moved to a rear portion in a cassette case of the tape cassette upon loading of the tape cassette into a recording/reproducing device, thereby eliminating a dead space in |
| 5170962 |
Tape cassette with lid assembly which, in a closed position, protects front and rear surfaces of |
December 15, 1992 |
| A tape cassette having an opening at the front of the cassette housing across which a run of the tape is guided is provided with a lid assembly which includes a front closure having a relatively deep outer portion joined at the top to a relatively shallow inner portion which embrace the |
| 5132819 |
Liquid-crystal display device of active matrix type having connecting means for repairing defect |
July 21, 1992 |
| In a liquid-crystal display device of active matrix type, a plurality of column-selecting lines and a plurality of auxiliary capacitance lines are formed on a transparent substrate. A plurality of row-selecting lines and two display-electrode segments are formed on an insulative film for |
| 5019001 |
Method for manufacturing liquid crystal display device |
May 28, 1991 |
| In a method for manufacturing a liquid crystal display device, address and data lines are provided over a substrate, and a short-circuit area and an area to be made short-circuit are provided to cause short-circuiting between the address and data lines. It is prevented a TFT array from |
| 4956607 |
Method and apparatus for optically measuring electric current and/or magnetic field |
September 11, 1990 |
| A system for optically measuring the strength of an AC magnetic field, by an apparatus which includes a sensing head having a magnetooptical element, a polarizer and an analyzer, a light source device for producing a light beam to be transmitted through the sensing head, and a light- |
| 4953910 |
Openable roof control device of wheeled motor vehicle |
September 4, 1990 |
| A control device for controlling the operation of an openable roof of a wheeled motor vehicle. The device comprises three slide mechanisms arranged on mutually spaced portions of the body of the vehicle, each slide mechanism including a carrier device which carries thereon the openab |
| 4837046 |
Method for forming ferrite film |
June 6, 1989 |
| Disclosed is a method for forming a ferrite film comprising, flowing downward or spraying an aqueous oxidizing agent solution on a substrate in a deoxidized atmosphere and simultaneously supplying an aqueous deoxidized solution containing at least ferrous ions, to effect a ferrite cr |
| 4814930 |
Optical zero-phase current and zero phase voltage sensing arrangement |
March 21, 1989 |
| An apparatus for detecting an accident of electric wire lines a single light emitting element, a plurality of optical sensor heads arranged respectively to the lines to be observed, for modulating a light supplied form the light emitting element through a light transmission line in r |
| 4657782 |
Method of forming a rare earth-iron-garnet vertically magnetized film |
April 14, 1987 |
| In a method of forming a rare earth-iron-garnet vertically magnetized film by applying a coating solution containing Fe.sup.3+ and rare earth ions on an amphorous substrate to form a coating film, and firing the coating film to cause thermal decomposition and crystallization of the film |
| 4608142 |
Method of manufacturing magneto-optic recording film |
August 26, 1986 |
| In a method of manufacturing a magneto-optic recording film wherein a vertically magnetized film of a Bi-substituted rare-earth iron garnet is formed on a substrate, a target consisting of an oxide containing at least Bi atoms, Fe atoms and rare-earth element atoms is sputtered, and the |
| 4477319 |
Process for forming a ferrite film |
October 16, 1984 |
| A process for forming a ferrite film, which is characterized in that in an aqueous solution containing at least ferrous ions as metal ions, ferrous hydroxide ions FeOH.sup.+, or FeOH.sup.+ and other metal hydroxide ions, are uniformly adsorbed on the surface of a solid by an interfacial |
| 4410201 |
Rigid axle rear suspension for an automotive vehicle or the like |
October 18, 1983 |
| An axle having a shallow "U" shape is oriented beneath the vehicle so that side and bottom sections of the U-shape extend either forward or are angled slightly downward and connected to the chassis through trailing links of different lengths whereby the axle rotates during vertical m |
| 4341397 |
Stabilizing device for a suspension of an automotive vehicle |
July 27, 1982 |
| A stabilizing device for a vehicle suspension of an automotive vehicle. The stabilizing device is capable of stabilizing the vehicle and of absorbing shock exerted in any direction. The stabilizing device comprises a first and a second shock absorbing member. The first shock absorbing me |
