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Assignee: Agency of Industrial Science & Technology, Ministry of International


Location: Tokyo, JP
No. of patents: 154

1        
NumberTitleIssue Date
6430957Method and apparatus for thermal transportation using polyvinyl alcohol
A thermal transportation method utilizes polyvinyl alcohol which is added to a liquid, and the liquid is cooled to form an ice slurry that is pumped through a pipe to effect the thermal transportation....
08/13/2002
6319321Thin-film fabrication method and apparatus
A thin-film fabrication method includes a spray step in which at least one thin-film composition material in liquid form is sprayed into a vacuum vessel via a spray nozzle provided for each thin-film composition material and deposited on a substrate, and ...
11/20/2001
6132816Method for producing homoepitaxial diamond thin films
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-qu...
10/17/2000
6132524Semiconductor magneto-optical material
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....
10/17/2000
6108094Ultra-minute microscope for spectroscopy
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 f...
08/22/2000
6083008Optical phantom of living body and method for producing it
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 phanto...
07/04/2000
6036773Method for growing Group III atomic layer
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 relati...
03/14/2000
6015434Artificial heart pump
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...
01/18/2000
6006593Method using cantilever to measure physical properties
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 frequen...
12/28/1999
5999833Method for production of superconducting oxide tape and superconducting oxide tape produced thereby
A method for the production of a superconducting oxide tape having a Bi2 Sr2 Ca2 Cu3 O10 (Bi-2223) structure interposed between silver sheets, which method consists essentially of preparing a sandwich...
12/07/1999
5988845Universal unit for automatically configuring three-dimensional structures of a desired shape
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 connec...
11/23/1999
5945720Photo-receiving device with light guide
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 ...
08/31/1999
5935454Ultrafine fabrication method
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 t...
08/10/1999
5901778Method of manufacturing metallic materials with extremely fine crystal grains
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,...
05/11/1999
5895227Method of fabricating a photo-device
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, electricall...
04/20/1999
5891828Method of producing superconducting PrBa2 Cu3 Oy single crystal and PrBa2 Cu3 Oy superconducting device
PrBa2 Cu3 OY 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 oxid...
04/06/1999
5890396Arm mechanism with independent control of position and orientation
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 co...
04/06/1999
5886778Method of measuring atomic beam flux rate in film growth apparatus
A method of measuring a beam flux rate in a film growth apparatus which includes supplying a hollow cathode lamp with a current that alternates between two current values and does not include a zero current, introducing intensity-modulated spectral light ...
03/23/1999
5867807Method and apparatus for determination of optical properties of light scattering material
A method for determination of optical properties of light scattering material, includes calculating temporal changes in output light intensity with respect to a large number of combinations of reduced scattering coefficients μs' and absorption coefficien...
02/02/1999
5865240Rheocasting method and apparatus
Rheocasting is effected by an apparatus that comprises a melt tank, a temperature-controllable stirrer that is immersed in a melt contained in the melt tank and can stir the melt, a screw conveyor apparatus that can draw off metal in a semi-solid state co...
02/02/1999
5847408Field emission device
A field emission device of simple structure enables stabilization and control of field emission current. Emission current is controlled by a plurality of control voltage systems. An emitter having a sharp tip is fabricated by processing a p-type semicondu...
12/08/1998
5846910Method for production of Bi -2212 superconducting tape material
This invention concerns a method for the production of an oxide superconducting tape material having a composition of Bi2 Sr2 CaCu2 O8, which method consists essentially of forming a sandwich structure comprisin...
12/08/1998
5834661Method of detecting defects in materials using infrared thermography
A method of detecting defects in materials using infrared thermography, includes placing the rear surface of an object to be inspected close to the front surface of a thermoplate controlled by a temperature controller, and the front surface of the object ...
11/10/1998
5831166Method of non-contact micromanipulation using ultrasound
A method of non-contact micromanipulation using ultrasound includes providing a concave ultrasound transducer in a liquid medium in which micro particles are distributed, positioning a reflector at the focal point position of the transducer and radiating ...
11/03/1998
5811683Method and apparatus for location of anomalous signal in a radial bearing
A method for locating a source position of an anomalous signal in a radial bearing comprises using a signal detection sensor, an inner-ring positional detection sensor for detecting a rotational position of a bearing inner ring, and a ball positional dete...
09/22/1998
5805971Method of producing three-dimensional forms
A method of producing a three-dimensional form includes the steps of spraying from at least one nozzle a gas including particles of materials having different properties onto a base surface to deposit a layer of particles, repeatedly spray-depositing laye...
09/08/1998
5801939Precision positioning control apparatus and precision positioning control method
A precision positioning control apparatus includes a coarse positioner, a fine positioner, a displacement totalizer for totaling the displacements of the two positioners, a total displacement detector for producing a total displacement signal, a comparato...
09/01/1998
5781608X-ray exposure system
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 syst...
07/14/1998
5763340Method for production of SiO2 glass material having regions changed in light refractive index and SiO2 glass material produced by the method
A method for producing a SiO2 glass material having regions changed in light refractive index is provided which comprises implanting at least 5×1019 Ge ions/cm3 into a SiO2 glass substrate, heat-treating the su...
06/09/1998
5735088Staircase hoist for wheelchair users
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 ...
04/07/1998
5713665Method and apparatus for thermal diffusivity measurement
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 h...
02/03/1998
5710478Field emitter having source, channel, and drain layers
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 ...
01/20/1998
5705449High-strength, high-toughness silicon nitride sinter
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 amou...
01/06/1998
5703002Photocatalyst particles containing ferromagnetic metal particles and method for synthesis thereof
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 ...
12/30/1997
5704016Temporal learning neural network
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 ...
12/30/1997
5698265Calcium phosphate compound-cellulose fiber composite material and method for production thereof
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...
12/16/1997
5696098Partially N-acylated compound of chitooligosaccharide, salt thereof, and use thereof
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 an...
12/09/1997
5684852X-ray lens
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 an...
11/04/1997
5676861Laser guided discharge machining apparatus
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...
10/14/1997
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