Patents Assigned to The Agency of Industrial Science and Technology the Ministry of International Trade and Industry
  • Patent number: 5650126
    Abstract: 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 oxide film. A method for the production of a deodorizing lamp comprises the steps of applying a titania sol or an aqueous hydrogen peroxide solution of titania gel to the glass surface of a lamp unit, drying the applied layer of titania sol or titania gel, firing the dried layer thereby forming a titanium oxide film on the glass surface, and optionally depositing at least one metal from among iron, platinum, rhodium, ruthenium, palladium, silver, copper, zinc, and manganese on the titanium oxide film.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: July 22, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Hiroshi Taoda, Eiji Watanabe
  • Patent number: 5648605
    Abstract: 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 and measuring each flow value, and comparing the plurality of flow values thus obtained to obtain the relative instrumental error of each flowmeter.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: July 15, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Chiharu Takahashi
  • Patent number: 5648307
    Abstract: A method for the production of a gas diffusion electrode having particles of a platinum group metal deposited on a carbon sheet is disclosed. This method comprises placing a water-repelling carbon sheet into contact with ozone, thereby oxidizing the surface of the sheet and forming a functional group on the surface, then immersing the sheet in a solution containing platinum group metal complex cations as dissolved seeds, thereby inducing ion exchange between the hydrogen ions present in the functional group and the platinum group metal complex cations and deposition of the platinum group metal complex cations on the carbon sheet, and further reducing the platinum group metal complex cations on the carbon into platinum group metal particles.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: July 15, 1997
    Assignee: Agency of Industrial Science and Technology, Ministry of International Trade and Industry
    Inventors: Kazuaki Yasuda, Minoru Mizuhata, Keisuke Oguro, Hiroyasu Takenaka
  • Patent number: 5638673
    Abstract: 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 exchangers, a second selector valve for alternating introduction of cooling fluid between the first and second heat exchangers, a turbine associated with the heat exchangers, and a power generator connected to the turbine. The hydrogen-occluded alloy in the first and second heat exchangers is in the form of a multiplicity of stages that release the hydrogen gas at different temperatures, with the hydrogen gas being produced at a prescribed pressure by contact with waste heat fluid.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: June 17, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Akira Yabe
  • Patent number: 5637880
    Abstract: 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 uniform crystal orientation and causing the ion current to pass from the space of the high degree of vacuum through the thin film into the space of the low degree of vacuum.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: June 10, 1997
    Assignee: Agency of Industrial Science & Technology Ministry of International Trade & Industry
    Inventors: Yuji Horino, Kanenaga Fujii, Akiyoshi Chayahara, Atsushi Kinomura, Yoshiaki Mokuno
  • Patent number: 5635947
    Abstract: 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 the image generator to the wearer, and an eye movement detector for detecting movement of the wearer's eye. The image display comprises an image display panel for displaying a low-resolution image received from the wide view angle image generation means, image processing means electrically connected with the panel for erasing the portion of the low-resolution image displayed at the region of the panel to which the wearer's eye is directed, and an image transmission element positioned behind the image display panel for directing a high-resolution image received from the narrow view angle image generation means to the erased region of the panel.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: June 3, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Kazuyo Iwamoto
  • Patent number: 5625457
    Abstract: 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 microscope, and an apparatus for measuring the relative displacement of the images of the two points of measurement obtained by the cameras.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: April 29, 1997
    Assignee: Agency of Industrial Science & Technology Ministry of International Trade & Industry
    Inventors: Hirofumi Ogawa, Yuichi Ishikawa, Tokio Kitahara
  • Patent number: 5623090
    Abstract: 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 a titanium dioxide carrier and ultrafine gold particles deposited on the carrier, thereby effecting the oxidation of the hydrocarbon with oxygen.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: April 22, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Masatake Haruta, Susumu Tsubota, Toshio Hayashi
  • Patent number: 5618345
    Abstract: 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; heating the silicon single crystal substrate formed with the high impurity concentration layer in an atmosphere containing oxygen to form an oxide film on the surface of the single crystal substrate and make the high impurity concentration layer resistant to etching; masking all of the oxide film surface other than that at the center region on the surface opposite from that implanted with boron ions and then exposing the high impurity concentration layer by high-speed mask etching followed by selective etching; and removing the oxide film.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: April 8, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Kazuo Saitoh, Hiroaki Niwa, Setsuo Nakao, Soji Miyagawa
  • Patent number: 5614684
    Abstract: A method for the production of a superplastic Mg-based composite material comprises preparing a composite material consisting of ceramic particles formed of at least one compound selected from among TiC, AlN, Si.sub.3 N.sub.4, and TiB.sub.2 and a matrix formed of a magnesium alloy, dispersing the ceramic particles in the matrix, hot extruding the composite material, and then hot rolling the resultant extrudate; and a superplastic Mg-based composite material produced by the method.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: March 25, 1997
    Assignee: Agency of Industrial Science and Technology, Ministry of International Trade & Industry
    Inventors: Suk-Won Lim, Tsunemichi Imai, Yoshinori Nishida, Takao Choh
  • Patent number: 5612269
    Abstract: An interlayer cross-linked clay used in a hydrothermal reaction is enabled to remain stable in the hydrothermal treatment by forming a suspension of the interlayer cross-linked clay in combination with an organic compound. The interlayer cross-linked clay used in the hydrothermal reaction under these conditions has carbon deposited on the pillars of the clay and remains stable when it is used in other hydrothermal reactions.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: March 18, 1997
    Assignee: Agency of Industrial Science and Technology, Ministry of International Trade & Industry
    Inventor: Kenzi Suzuki
  • Patent number: 5609787
    Abstract: 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:(CF.sub.3).sub.2 NRfwherein Rf stands for a polyfluoroalkyl group of 1-4 carbon atoms or a polyfluoroalkenyl group of 1-4 carbon atoms.
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: March 11, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Takashi Abe, Haruhiko Fukaya, Eiji Hayashi, Yoshio Hayakawa
  • Patent number: 5610097
    Abstract: 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 the oxide semiconductor surface without exposing the surface to the outside atmosphere.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: March 11, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Takashi Shimizu
  • Patent number: 5601367
    Abstract: 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 produces identical changes in resistance therein, a similarly constituted second sensor section having third and fourth conductors connected to the second and first conductors, and heat coupling means for keeping the temperature of the first and second sensor sections uniform.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: February 11, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Koichi Nara
  • Patent number: 5598105
    Abstract: 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 of the elementary cell are split at signal splitting sections in the elementary cell and applied to both inputs of the OR circuit section and both inputs of the AND circuit section. The output of the OR circuit section is defined as the OR output of the elementary cell. A first arrival pulse memory section is provided in the AND circuit section and when one of two input pulses input to the two input terminals of the AND circuit section arrives before the other, this fact is recorded in the first arrival pulse memory section as logical "1".
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: January 28, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Itaru Kurosawa, Hiroshi Nakagawa, Masahiro Aoyagi, Masaaki Maezawa, Takashi Nanya, Yoshio Kameda
  • Patent number: 5594773
    Abstract: 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 straight array axis.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: January 14, 1997
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Toshihisa Tomie
  • Patent number: 5587010
    Abstract: The present invention provides a process for producing fine flaky alumina particles suitable as a raw material for ceramics, a pigment for paint and etc., wherein aluminum hydroxide or alumina hydrate having a particle size regulated to the order of submicron is subjected to a hydrothermal treatment in water or an aqueous alkali solution at a temperature of 350.degree. C. or above under a pressure of 200 kg/cm.sup.2 or below. The present invention further provides an alumina-based plastic material which is produced by kneading the aforesaid fine flaky particles with an organic water holding material and water. Methylcellulose, polyvinyl alcohol, carboxymethylcellulose, polyethylene glycol, etc. are preferably used as the organic water holding agent. The alumina-based plastic material has a high plasticity, so that there is no need of using a large amount of a binder. Thus a dense molded article having stable properties can be prepared.
    Type: Grant
    Filed: June 16, 1995
    Date of Patent: December 24, 1996
    Assignees: Agency Of Industrial Science And Technology, Ministry Of International Trade And Industry, YKK Corporation
    Inventors: Yasuo Shibasaki, Kiichi Oda, Takeshi Fukuda
  • Patent number: 5576431
    Abstract: 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 atom, M for one member selected from among monovalent alkali metal ions and alkaline earth metal ions, and n for 0, 1, or 2 and heating the perfluoro compound to a temperature in the approximate range of 100.degree. C. to 500.degree. C.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: November 19, 1996
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Masakazu Nishida, Takashi Abe, Haruhiko Fukaya
  • Patent number: 5572322
    Abstract: An apparatus measures the diameter, relative concentration and weight of particles. The detection of scattered light produced when light is projected at particles drawn into a nozzle-shaped measuring space is used to measure particle diameter, particle concentration is measured based-on variations in the intensity of transmitted light, and particle weight is measured based on changes in operating frequency of a crystal oscillator resulting from the adhesion of particles on the surface of the crystal oscillator.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: November 5, 1996
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Kazutoshi Noda
  • Patent number: 5569916
    Abstract: An electron spectroscopy apparatus in which pulses of EUV of a prescribed wavelength are generated from plasma produced by pulsed laser beam irradiation of a target containing specific elements, the EUV pulses are used to irradiate a specimen, producing an emission of photoelectrons from the specimen, and the time it takes these photoelectrons to pass along a flight channel is measured and analyzed.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: October 29, 1996
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventor: Toshihisa Tomie