| Patent Number |
Title Of Patent |
Date Issued |
| 6344623 |
Membrane switch and production method thereof |
February 5, 2002 |
| A membrane switch comprising a pair of electrode plates and a spacer separating the plates, wherein the operating force required to operate the membrane switch by pressing it with a rod having a hemispherical tip with a radius of curvature of 5 mm is within the range of 0.03 to 0.2 kg. T |
| 5830603 |
Separator film for a storage battery |
November 3, 1998 |
| A separator film for a battery is formed as a hydrophilized porous biaxially oriented film. The porous biaxially oriented film has a porosity of at least about 70%, a thickness in the range of about 10 to about 500 .mu.m, and a pore size in the range of about 0.01 to about 20 .mu.m. The |
| 5561002 |
Electrode for alkaline storage battery and method of manufacturing |
October 1, 1996 |
| An improved electrode for an alkaline storage battery can suppress the reduction of the battery capacity when the battery is used in a high-temperature environment. The electrode is formed by charging or filling a collector, which consists of a porous body of a nickel-boron alloy con |
| 5363797 |
Method for producing organic crystal and crystal growth cell therefor |
November 15, 1994 |
| A method for producing an organic crystal is disclosed. One embodiment comprises maintaining a capillary tube containing a fused liquid of an organic crystal material and having a fused liquid reservoir at one end thereof at a temperature not less than the fusion point of the organic |
| 5355428 |
Optical wavelength conversion module |
October 11, 1994 |
| An optical wavelength conversion module having a laser light source, a lens system for managing the laser beam, and a conversion element. The laser light source generates a beam of laser light of a substantially circular cross-section having an aspect ratio of 1.3 or less. The substantia |
| 5345545 |
Optical fiber device |
September 6, 1994 |
| An optical fiber device comprising an optical fiber comprising a core made of an organic crystal and a cladding made of glass, the device generating second harmonics of a laser light that has been launched into the core, the device further comprising a buffer layer on at least one end fa |
| 5323261 |
Harmonic generating device |
June 21, 1994 |
| A fiber-type wavelength converting device comprises a nonlinear optical crystal core; and a glass cladding surrounding the core that produces a second harmonic utilizing Cherenkov radiation. An exit end face of the cladding is flat, and an exit end face of the core has asperities. The |
| 5308323 |
Multiple compartment balloon catheter |
May 3, 1994 |
| A catheter provided on the tip with a balloon of the type which can be inflated by being filled with a fluid, and particularly a catheter provided with a balloon around the inside circumference of which are formed multiple compartments. The direction of said catheter can be controlle |
| 5293444 |
Wavelength converter |
March 8, 1994 |
| An apparatus and method of manufacturing a wavelength converter of an optical fiber type, having a core and a clad covering the core. At least one of the core and clad is made of a nonlinear optical material such that copious amounts of second harmonic light are emitted form a light emit |
| 5291568 |
Optical wavelength conversion module |
March 1, 1994 |
| An optical wavelength conversion module includes a semiconductor laser light source; a lens for focusing semiconductor laser light; and a fiber-type optical wavelength converter with a core and a clad having a refractive index lower than the core. At least one of the core and clad is |
| 5269779 |
Laser beam guiding fiber assembly |
December 14, 1993 |
| A laser beam guiding fiber comprising, in a tip portion of an optical fiber, an oscillating member which oscillates the tip of the optical fiber along a direction which intersects an axis of the optical fiber can irradiate a wide range with laser beam, since the tip of the optical fiber |
| 5251060 |
Light-source unit |
October 5, 1993 |
| A light source unit for receiving and transmitting information to and from an optical disk or the like, which reshapes an elliptical in cross-section beam of laser light into a circular in cross-section beam of laser light by a beam shaping assembly composed of at least one lens having a |
| 5241413 |
Wavelength converter |
August 31, 1993 |
| In a wavelength converter, nonlinear medium layers containing material having an increased second order susceptibility, and linear medium layers, not containing material having a nonlinear optical characteristic of the second degree, are alternatively layered. A fundamental wave (of whic |
| 5222182 |
Optical fiber for laser beam guiding for cure |
June 22, 1993 |
| An optical fiber for laser beam guiding comprising a secondary non-linear optical element at one tip thereof can irradiate a lesion portion with a short wavelength beam useful for cure, since the non-linear optical element converts a long wavelength beam transmitted through the optical |
| 5214736 |
Optical transmission line having a core of a non-linear optical material coated with an improved |
May 25, 1993 |
| A single crystal non-linear optical transmission line is manufactured by using a cladding made of a glass material that eliminates or reduces the formation of an uneven inner wall of an optical fiber cladding made of a glass mother material. The improved glass material suppresses the elu |
| 5201317 |
Diagnostic and therapeutic catheter |
April 13, 1993 |
| A diagnostic and therapeutic catheter accommodating a plurality of optical fibers and tubes, including a small diameter portion formed at a distal end portion of the catheter, the small diameter portion having at least one duct, the optical fibers and the tubes confronting an inlet of th |
| 5195159 |
Optical wavelength converter device |
March 16, 1993 |
| A light source device that converts a beam of light radiated from an optical fiber-type second-harmonic generating element to a parallel beam of light filled with a bundle of rays up to a central portion of the parallel beam by causing a portion of the beam of light to pass through an |
| 5192579 |
Method of forming thin film on fiber end surface by breaking it in a vacuum |
March 9, 1993 |
| A method for the production of a thin film on an end surface of a fiber made up of a core of an organic material, and a clad made of glass. This method involves the steps of placing the fiber in a vacuum chamber, reducing the pressure in the chamber, cutting the fiber under reduced p |
| 5178616 |
Method and apparatus for intravascular laser surgery |
January 12, 1993 |
| An intravascular laser operating device and method for examining and removing a diseased part in a blood vessel. The device includes a catheter having endoscopic fibers for performing an endoscopy and diagnostic of a diseased part in a blood vessel and laser light projecting fibers for |
| 5158560 |
Laser operating device for intracavitary surgery |
October 27, 1992 |
| This invention relates to an intracavitary laser operating device using a laser.The device, has a catheter (2) accommodating laser light projecting fibers, a pulse laser oscillator device (1), an acoustic detector (4) detecting the acoustic wave generated from the diseased portion, an ac |
| 5129029 |
Apparatus and method of producing fiber wavelength-conversion element |
July 7, 1992 |
| A method of coating the ends of a fiber wavelength-conversion element with a macromolecular film. This serves to protect the crystal core and change in quality without changing the state of the core end surface. |
| 5119458 |
Fibre-type wavelength converison device |
June 2, 1992 |
| A fibre-type light conversion device for converting the wavelength of an incident light comprises a core and a cladding layer provided around the core. An end surface of the device from which the light beam radiates is made conical, so that the second harmonic wave is collimated without |
| 5097527 |
Fiber type wavelength converter and module |
March 17, 1992 |
| A fiber type wavelength converter comprising a cladding made of a thin glass tube an inner wall of which is coated with a coupling agent, and a core which is contained in the cladding and made of a single crystal of methyl 4-hydroxybenzoate, which can convert a fundamental wave to a seco |
| 5058981 |
Light source device |
October 22, 1991 |
| A device for generating a second harmonic from a laser source is disclosed. The light from the laser passes through an optical fiber in which the second harmonic is generated. The light exiting from the optical fiber has a conical wave surface which is incident upon a collimating lens. B |
| 5046817 |
Generation of parallel second harmonic light rays using an optical fiber |
September 10, 1991 |
| An arrangement for generating light at a second harmonic of an input light at a fundamental frequency/wavelength. Light at the fundamental frequency/wavelength is generated by a laser and impinges upon an input end of an optical fiber. The optical fiber has a non-linear optical chara |
| 5022738 |
Optical fiber nonlinear wavelength modulator device |
June 11, 1991 |
| A fiber wavelength modulator device which emits a secondary harmonic component by Cerenkov radiation, including a core being a single crystal of a non-linear optical material and a cladding being composed of glass, wherein the relative difference between the core and the cladding has a |
| 4783140 |
Elastomeric optical waveguide with core and cladding imparted with elasticity by irradiation of |
November 8, 1988 |
| An elastomeric optical waveguide comprising a core and a cladding surrounding the core in which at least the core comprises an elastomer to which elasticity is imparted by irradiation of a radioactive ray, which has low attenuation of light transmission. |
| 4780510 |
Cross-linked optical siloxane polymer |
October 25, 1988 |
| A cross-linked optical siloxane polymer having a group for modifying a refractive index of the polymer which is introduced in a side chain of the polymer by a hydrosilyl reaction of one of the following systems:(1) a compound (A) having a carbon-carbon unsaturated bond and a group for mo |
| 4762381 |
Optical element integrated optical waveguide and production of the same |
August 9, 1988 |
| An optical element integrated optical waveguide comprising (1) a polymeric supporting member a length of which lies in a light transmission direction and which has at least one bore along its entire length, (2) at least one optical waveguide part consisting of organic siloxane polymer fi |
| 4750796 |
Optical sensor |
June 14, 1988 |
| An optical sensor which comprises an optical waveguide comprising a cladding and an optical waveguide member made of a transparent elastomer which is surrounded by the cladding and through which light is propagated, wherein an amount of light to be propagated through the waveguide member |
| 4708833 |
Method for producing elastomeric optical fiber |
November 24, 1987 |
| An elastomeric optical fiber comprising a core made of an elastomer with rubbery elasticity and a cladding surrounding the core and having low attenuation of light transmission is produced by a method comprising flowing down a liquid polymer for the core with cross-linking it, and si |
| 4656245 |
Functional elastomer |
April 7, 1987 |
| A functional elastomer in which a viologen unit is introduced into a principal polymeric chain through cationic polymerization by using a bifunctional initiator, said elastomer being represented by the formula ##STR1## wherein X represents polyether and A represents an anion. |
