Patents by Inventor Yoshinori Koga

Yoshinori Koga has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11964399
    Abstract: Provided is art capable of recognizing the states of a plurality of target objects arranged in a prescribed space region. This target object recognition device is provided with: a plurality of calculation processing units (21, 22) which each calculate the attitude state of a target object in a prescribed space region using a different technique; a state recognition unit (23) which recognizes the layout state of all of a plurality of target objects arranged in the space region; a method determination unit (24) which, in accordance with the result of the recognition by the state recognition unit (23), determines a method for using the results of the calculation performed by the calculation processing units (21, 22); and a target object recognition unit (25) which recognizes the attitude states of the target objects by means of the determined method for using the results of the calculation.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: April 23, 2024
    Assignee: OMRON Corporation
    Inventors: Yoshinori Konishi, Tatsuya Koga
  • Patent number: 9156699
    Abstract: A technique for forming graphene which solves problems involved in formation of graphene by a thermal CVD method and a resin carbonization method that a high temperature is used and the treatment time is long and can form graphene at a lower temperature in a shorter time is provided. The above problems are solved by performing hydrogen plasma treatment on a copper foil substrate having an organic substance applied thereon by use of a surface wave microwave plasma treatment device and forming graphene on the copper foil substrate by the hydrogen plasma treatment.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: October 13, 2015
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Takatoshi Yamada, Jaeho Kim, Masatou Ishihara, Yoshinori Koga, Masataka Hasegawa, Sumio Iijima
  • Patent number: 9074278
    Abstract: Small crystal size is the issue of a conventional method for formation of a film of graphene by a thermal CVD technique using a copper foil as a substrate. A carbon film laminate is described in which graphene having a larger crystal size is formed. The carbon film laminate is configured to include a sapphire single crystal having a surface composed of terrace surfaces which are flat at the atomic level, and atomic-layer steps, a copper single crystal thin film formed by epitaxial growth on the substrate, and graphene deposited on the copper single crystal thin film, and thus enabling formation of graphene having a large crystal size.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: July 7, 2015
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Masataka Hasegawa, Masatou Ishihara, Yoshinori Koga, Jaeho Kim, Kazuo Tsugawa, Sumio Iijima
  • Patent number: 8691364
    Abstract: The invention provides a laminate capable of polishing and grinding the surface of a material having a high hardness such as diamond, sapphire or hard carbon film, rapidly and in a simplified manner with high planarity and high accuracy, utilizing the high adhesiveness to substrates, the hardness and the surface planarity that a carbon film has, but using neither diamond abrasive grains nor alkali slurry. The laminate comprises a substrate and a carbon layer provided on the substrate, wherein the carbon layer comprises a diamond fine grain provided on the substrate and crushed by impact given thereto, a formation/growth inhibiting material that inhibits the formation of an impurity inhibiting the growth of a carbon grain and/or inhibits the growth of a carbon grain, and a carbon grain, and an amount (amount per unit volume) of the formation/growth inhibiting material decreases from a lower layer toward an upper layer on the substrate side.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: April 8, 2014
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Masataka Hasegawa, Kazuo Tsugawa, Masatou Ishihara, Yoshinori Koga
  • Publication number: 20140079910
    Abstract: An object of the invention is to provide a carbon film laminate having a sliding surface with low friction, low abrasion, and low counterpart aggressiveness using high adhesiveness to a base material, hardness, surface flatness, low counterpart aggressiveness, transparency, and high thermal conductivity which are provided to the carbon film without using liquid and semiliquid lubricants such as lubricating oil. Provided is a carbon film laminate including a base material, a carbon film adhesion reinforcing layer which is provided on the base material and which is formed from silicon oxide (SiOx, x=1 to 2) containing fluorine atoms (F) in a concentration of 1×1019 atoms/cm3 or more, and a carbon film that is formed on the carbon film adhesion reinforcing layer. The carbon film contains fluorine atoms in the film in a concentration of 1×1019 to 1×1021 atoms/cm3, and has an approximate spectrum curve obtained by superimposing, on a peak fitting curve A at a Bragg angle (2?±0.5°) of 43.
    Type: Application
    Filed: May 10, 2012
    Publication date: March 20, 2014
    Inventors: Kazuo Tsugawa, Shunsuke Kawaki, Masatou Ishihara, Yoshinori Koga, Masataka Hasegawa, Jaeho Kim
  • Publication number: 20140065426
    Abstract: The invention addresses the problem of prior methods, which formed a binder layer on a graphene film, that the shape of the substrate surface was transferred to the graphene layer. The purpose is to provide a technique for forming less cloudy, highly transparent conductive film laminates. The invention solves the problem, in methods that manufacture transparent conductive carbon films by forming a transparent conductive carbon film on a film forming substrate using the CVD method and then removing said film forming substrate from said transparent conductive carbon film, by preparing a film having an adhesive surface and providing a process of gluing the adhesive surface of said film to a portion and/or all of the surface of the transparent conductive carbon film prior to removal of the film forming substrate.
    Type: Application
    Filed: November 5, 2013
    Publication date: March 6, 2014
    Applicant: National Institute of Advanced Industrial Science And Technology
    Inventors: Masatou ISHIHARA, Takatoshi YAMADA, Yoshinori KOGA, Masataka HASEGAWA, Jaeho KIM
  • Publication number: 20130327981
    Abstract: A technique for forming graphene which solves problems involved in formation of graphene by a thermal CVD method and a resin carbonization method that a high temperature is used and the treatment time is long and can form graphene at a lower temperature in a shorter time is provided. The above problems are solved by performing hydrogen plasma treatment on a copper foil substrate having an organic substance applied thereon by use of a surface wave microwave plasma treatment device and forming graphene on the copper foil substrate by the hydrogen plasma treatment.
    Type: Application
    Filed: August 9, 2013
    Publication date: December 12, 2013
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Takatoshi YAMADA, Jaeho KIM, Masatou ISHIHARA, Yoshinori KOGA, Masataka HASEGAWA, Sumio IIJIMA
  • Patent number: 8501276
    Abstract: Disclosed is a carbon film which has optical characteristics of retaining a high transparency and being high in refractive index and low in double refractivity, is excellent in electric insulating performance, can be applied to various base materials with good adhesiveness, and can be formed at low temperature. Also disclosed is a laminate including a carbon film and a method for producing the laminate.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: August 6, 2013
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Yoshinori Koga, Masataka Hasegawa, Sumio Iijima, Kazuo Tsugawa, Masatou Ishihara
  • Publication number: 20130052119
    Abstract: An object of the present invention is to solve problems such as high temperature processing and long processing time, which are issues of formation of a graphene film by thermal CVD, thereby providing a technique of forming a transparent conductive carbon film using a crystalline carbon film formed at lower temperature within a short time using a graphene film, and the method of the present invention is characterized by setting the temperature of a base material to 500° C. or lower and the pressure to 50 Pa or less, and also depositing a transparent conductive carbon film on a surface of a base material by a microwave surface-wave plasma CVD method in a gas atmosphere in which an oxidation inhibitor as an additive gas for suppressing oxidation of the surface of the base material is added to a carbon-containing gas or a mixed a carbon-containing gas and an inert gas.
    Type: Application
    Filed: March 17, 2011
    Publication date: February 28, 2013
    Inventors: Jaeho Kim, Masatou Ishihara, Yoshinori Koga, Kazuo Tsugawa, Masataka Hasegawa, Sumio Iijima, Takatoshi Yamada
  • Publication number: 20130052121
    Abstract: An object of the present invention is to solve a problem such as a small crystal size, which is the issue of a conventional method for formation of a film of graphene by a thermal CVD technique using a copper foil as a substrate, and thus providing a carbon film laminate in which graphene having a larger crystal size is formed. The carbon film laminate is configured to include a sapphire (0001) single crystal having a surface composed of terrace surfaces which are flat at the atomic level, and atomic-layer steps, a copper (111) single crystal thin film formed by epitaxial growth on the substrate and graphene deposited on the copper (111) single crystal thin film, and thus enabling formation of graphene having a large crystal size.
    Type: Application
    Filed: February 25, 2011
    Publication date: February 28, 2013
    Inventors: Masataka Hasegawa, Masatou Ishihara, Yoshinori Koga, Jaeho Kim, Kazuo Tsugawa, Sumio Iijima
  • Publication number: 20120199553
    Abstract: Problem To provide a carbon film and a laminate having optical characteristics of retaining high transparency, having high refraction index and less double refractivity, being excellent in electric insulating property, being capable of being coated at good adhesion to various substrates, and being capable of being formed at a low temperature, and applications thereof. Means for Solving the Problem The invention relates to a carbon film which has an approximate spectrum curve obtainable by superimposing, on a peak fitting curve A at a Bragg's angle (2?±0.3°) of 43.9°, a peak fitting curve B at 41.7° and a base line in an X-ray diffraction spectrum by a CuKa1 ray, and has a film thickness of from 2 mm to 100 ?m. The intensity of the fitting curve B relative to the intensity of the fitting curve A is preferably from 5 to 90% in the approximated spectrum described above.
    Type: Application
    Filed: July 15, 2011
    Publication date: August 9, 2012
    Inventors: Yoshinori Koga, Masataka Hasegawa, Sumio Iijima, Kazuo Tsugawa, Masatou Ishihara
  • Patent number: 8007909
    Abstract: Disclosed is a carbon film which has optical characteristics of retaining a high transparency and being high in refractive index and low in double refractivity, is excellent in electric insulating performance, can be applied to various base materials with good adhesiveness, and can be formed at low temperature. Also disclosed is a laminate including a carbon film and a method for producing the laminate.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: August 30, 2011
    Assignee: National Institute of Advanced Industrial Science & Technology
    Inventors: Yoshinori Koga, Masataka Hasegawa, Sumio Iijima, Kazuo Tsugawa, Masatou Ishihara
  • Publication number: 20110088848
    Abstract: To provide a microwave plasma-treating apparatus which is capable of generating plasma having a high degree of uniformity of density and a high density for executing large-quantity and high-speed processing, capable of generating plasma of a large area, and capable of preventing dielectric windows from being thermally broken despite the apparatus being operated with large electric power for extended periods of time. The microwave plasma-treating apparatus includes a waveguide arranged to feed microwave electric power, a plurality of microwave coupling holes formed in the waveguide in the axial direction thereof, a dielectric member of a piece of plate capable of transmitting microwaves arranged in the waveguide in the axial direction thereof under the microwave coupling holes, a gap formed between the plurality of microwave coupling holes and the dielectric member, and a cooling member for cooling the dielectric member. Desirably, the microwave coupling holes have an annular shape.
    Type: Application
    Filed: March 27, 2009
    Publication date: April 21, 2011
    Inventors: Jaeho Kim, Kazuo Tsugawa, Masatou Ishihara, Masataka Hasegawa, Yoshinori Koga
  • Publication number: 20100092728
    Abstract: The invention provides a laminate capable of polishing and grinding the surface of a material having a high hardness such as diamond, sapphire or hard carbon film, rapidly and in a simplified manner with high planarity and high accuracy, utilizing the high adhesiveness to substrates, the hardness and the surface planarity that a carbon film has, but using neither diamond abrasive grains nor alkali slurry. The laminate comprises a substrate and a carbon layer provided on the substrate, wherein the carbon layer comprises a diamond fine grain provided on the substrate and crushed by impact given thereto, a formation/growth inhibiting material that inhibits the formation of an impurity inhibiting the growth of a carbon grain and/or inhibits the growth of a carbon grain, and a carbon grain, and an amount (amount per unit volume) of the formation/growth inhibiting material decreases from a lower layer toward an upper layer on the substrate side.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 15, 2010
    Inventors: Masataka Hasegawa, Kazuo Tsugawa, Masatou Ishihara, Yoshinori Koga
  • Publication number: 20090324892
    Abstract: An object of the invention is to provide a resin material having further improved thermal conductivity, slidability, heat resistance, strength and rigidity of a resin material and having imparted thereto characteristics such as high thermal conductivity, rigidity, scratch prevention, high slidability and the like, and a method for producing the same. A laminate is obtained by laminating the resin material and a carbon film having a thermal conductivity of from 70 to 700 W/mK, a resistance value of 1×107 ?cm or more (100° C.) and a film thickness of from 50 nm to 10 ?m, the carbon film having a spectrum peak at a Brag's angle (2?±0.3°) of from 41 to 42° in an X-ray diffraction spectrum by CuK?1 ray, or the laminate has a plasma-resistant film integrally molded on the resin material according to need.
    Type: Application
    Filed: March 15, 2007
    Publication date: December 31, 2009
    Inventors: Masataka Hasegawa, Kazuo Tsugawa, Masatou Ishihara, Yoshinori Koga
  • Publication number: 20090226718
    Abstract: A carbon film including: carbon grains having substantially the same grain size in the range of 1 nm to 1,000 nm, and preferably in the range of 2 nm to 200 nm, in the thickness-wise direction of the carbon film; and an amorphous substance for suppressing generation of impurities accompanied by formation of the carbon grains and/or for suppressing growth of said carbon grains, the amorphous substance existing at least on the surfaces of the carbon grains in a grain boundary between the carbon grains and/or gaps between the carbon grains. Such a carbon film has excellent optical properties such as high transparency, a high refractive index and small birefringence, and exhibits excellent electrical insulation. Further, the carbon film can be coated on various substrates with high adhesion and can be formed at a low temperature. Therefore, the carbon film is extremely useful for application to an optical device, a wrist watch, an electronic circuit substrate, a grinding tool or a protection film.
    Type: Application
    Filed: July 4, 2006
    Publication date: September 10, 2009
    Inventors: Masataka Hasegawa, Kazuo Tsugawa, Yoshinori Koga, Masatou Ishihara, Sumio Iijima
  • Publication number: 20070172660
    Abstract: Problem To provide a carbon film and a laminate having optical characteristics of retaining high transparency, having high refraction index and less double refractivity, being excellent in electric insulating property, being capable of being coated at good adhesion to various substrates, and being capable of being formed at a low temperature, and applications thereof. Means for Solving the Problem The invention relates to a carbon film which has an approximate spectrum curve obtainable by superimposing, on a peak fitting curve A at a Bragg's angle (2?±0.3°) of 43.9°, a peak fitting curve B at 41.7° and a base line in an X-ray diffraction spectrum by a CuKa1 ray, and has a film thickness of from 2 mm to 100 ?m. The intensity of the fitting curve B relative to the intensity of the fitting curve A is preferably from 5 to 90% in the approximated spectrum described above.
    Type: Application
    Filed: April 15, 2005
    Publication date: July 26, 2007
    Inventors: Yoshinori Koga, Masataka Hasegawa, Sumio Iijima, Kazuo Tsugawa, Masatou Ishihara
  • Patent number: 6231858
    Abstract: A process for producing boluses for radiotherapy, which are disposable and excellent in processability. Natural organic polymers used as gelatinization preparations are added in water not higher than 10%, and more preferably 2-5% of water in order to produce a hydro gel comprising natural organic polymers. Then, the boluses which have equivalent to human body and are inexpensive, disposable, and excellent in processability can be obtained.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: May 15, 2001
    Assignee: Mochida Corporation
    Inventors: Shin Izeki, Kazunori Hatakeyama, Fumitaka Ebihara, Yoshinori Koga
  • Patent number: 5773834
    Abstract: A composite material is produced by irradiating a surface of a shaped body of a carbonaceous material with an ion beam to form a layer of carbon nanotubes on the surface. The composite material is useful as a cathode of an electron beam source element.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: June 30, 1998
    Assignee: Director-General of Agency of Industrial Science and Technology
    Inventors: Kazuhiro Yamamoto, Yoshinori Koga, Shuzo Fujiwara
  • Patent number: 4732827
    Abstract: A process for producing an anolyte and a catholyte for redox cells which comprises the steps of heating chromium ore together with carbonaceous substances to produce a pre-reduced chromium product produced a part of iron and chromium in chromium ore, dissolving the pre-reduced chromium product in hydrochloric acid and/or sulfuric acid iron and chromium. Thus, the dissolving step can be simplified, the predetermined concentration can be simply regulated.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: March 22, 1988
    Assignees: Japan Metals and Chemical Co., Ltd., Agency of Industrial Science and Technology
    Inventors: Hiroko Kaneko, Ken Nozaki, Takeo Ozawa, Koichi Oku, Takashi Shimanuki, Yoshinori Koga