Patents by Inventor Kazuki Tajima

Kazuki Tajima 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: 11954155
    Abstract: An information processing device according to the present application includes a generation unit and a providing unit. The generation unit uses a model that is trained to learn a relationship between a criterion for classifying users of a first company and a criterion for classifying users of a second company to generate a criterion (common key) for classifying the users of the second company into a first category, from the criterion for classifying the users of the first company into the first category. The providing unit provides a criterion generated by the generation unit.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: April 9, 2024
    Assignee: Yahoo Japan Corporation
    Inventors: Kiyoshi Sasaki, Akira Tajima, Takahiro Ishikawa, Koji Tsukamoto, Seira Nakamura, Kazuki Nakayama
  • Patent number: 9507234
    Abstract: A reflection-type light control element according to the present invention is provided with a light control layer configured to exhibit a reversible change between a transparent state and a reflection state in a reversible reaction with a hydrogen and a catalyst layer configured to accelerate the reversible reaction of the light control layer, wherein the reflection-type light control element is such that the light control layer includes an alloy that contains at least one kind of element selected from a group composed of group 2 elements and at least two kinds of elements selected from a group composed of group 3 elements and rare earth elements, or a hydride of the alloy.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: November 29, 2016
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Yasusei Yamada, Kazuki Yoshimura, Kazuki Tajima
  • Patent number: 9383624
    Abstract: A reflection-type optical control element has an optical control layer whose state is reversibly changed between a transparent state caused by hydrogenation and a reflective state caused by dehydrogenation, a catalyst layer that accelerates the hydrogenation and the dehydrogenation in the optical control layer, and an oxidation inhibition member that is arranged between the optical control layer and the catalyst layer and inhibits oxidation of the optical control layer that is caused by oxygen that permeates through the catalyst layer.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: July 5, 2016
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Yasusei Yamada, Kazuki Yoshimura, Kazuki Tajima
  • Patent number: 9376854
    Abstract: A gasochromic system includes a first transparent part that includes a first surface; a second transparent part that includes a second surface and is disposed such that the second surface faces the first surface of the first transparent part; a light control part that is formed on the first surface and includes a light control element whose optical characteristic is reversibly changed by hydrogenation and dehydrogenation; a hydrogen supplier that supplies a hydrogen-containing gas into a gap between the first and second transparent parts; and a dehydrogenator that removes hydrogen from the gap between the first and second transparent parts. The first and second transparent parts are stacked via the light control part, and the second surface and a surface of the light control part facing the second surface are partially in contact with each other.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: June 28, 2016
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuki Yoshimura, Yasusei Yamada, Kazuki Tajima
  • Publication number: 20150354265
    Abstract: A gasochromic system includes a first transparent part that includes a first surface; a second transparent part that includes a second surface and is disposed such that the second surface faces the first surface of the first transparent part; a light control part that is formed on the first surface and includes a light control element whose optical characteristic is reversibly changed by hydrogenation and dehydrogenation; a hydrogen supplier that supplies a hydrogen-containing gas into a gap between the first and second transparent parts; and a dehydrogenator that removes hydrogen from the gap between the first and second transparent parts. The first and second transparent parts are stacked via the light control part, and the second surface and a surface of the light control part facing the second surface are partially in contact with each other.
    Type: Application
    Filed: December 16, 2013
    Publication date: December 10, 2015
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuki YOSHIMURA, Yasusei YAMADA, Kazuki TAJIMA
  • Publication number: 20150168801
    Abstract: A reflection-type optical control element has an optical control layer whose state is reversibly changed between a transparent state caused by hydrogenation and a reflective state caused by dehydrogenation, a catalyst layer that accelerates the hydrogenation and the dehydrogenation in the optical control layer, and an oxidation inhibition member that is arranged between the optical control layer and the catalyst layer and inhibits oxidation of the optical control layer that is caused by oxygen that permeates through the catalyst layer.
    Type: Application
    Filed: June 13, 2013
    Publication date: June 18, 2015
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Yasusei Yamada, Kazuki Yoshimura, Kazuki Tajima
  • Publication number: 20140340729
    Abstract: In a reflective dimming element having a multilayer film formed in a transparent base material, the multilayer film has a structure including a transparent base material 10 having a transparent electrode layer 20 and an ion storage layer 30 sequentially formed thereon; a transparent base material 70 having a transparent electrode layer 60, a reflective dimming layer 50 and a catalyst layer 40, or a reflective dimming layer 50 and a catalyst layer 40, sequentially formed thereon; and a non-water-based hydrogen ion conductive electrolyte layer 90 interposed between the ion storage layer 30 and the catalyst layer 40, while the electrolyte layer 90 is formed from a non-water-based hydrogen ion conductive electrolyte solution containing an ion conductive polymer and has high hydrogen ion conductivity and high light transmission performance.
    Type: Application
    Filed: September 13, 2012
    Publication date: November 20, 2014
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kazuki Tajima, Kazuki Yoshimura, Yasusei Yamada
  • Publication number: 20140247474
    Abstract: A reflection-type light control element according to the present invention is provided with a light control layer configured to exhibit a reversible change between a transparent state and a reflection state in a reversible reaction with a hydrogen and a catalyst layer configured to accelerate the reversible reaction of the light control layer, wherein the reflection-type light control element is such that the light control layer includes an alloy that contains at least one kind of element selected from a group composed of group 2 elements and at least two kinds of elements selected from a group composed of group 3 elements and rare earth elements, or a hydride of the alloy.
    Type: Application
    Filed: September 21, 2012
    Publication date: September 4, 2014
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Yasusei Yamada, Kazuki Yoshimura, Kazuki Tajima
  • Patent number: 8773746
    Abstract: An all-solid-state reflective dimming electrochromic element having a multilayer film formed on a transparent substrate, which is characterized in that the multilayer film has a multilayer structure comprising at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a buffer layer, a catalyst layer, a reflective dimming layer, and a protective layer formed on the transparent substrate, and which is sealed with the protective layer, and a dimming member comprising the same are provided.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: July 8, 2014
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuki Tajima, Yasusei Yamada, Kazuki Yoshimura
  • Publication number: 20130010347
    Abstract: An all-solid-state reflective dimming electrochromic element having a multilayer film formed on a transparent substrate, which is characterized in that the multilayer film has a multilayer structure comprising at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a buffer layer, a catalyst layer, a reflective dimming layer, and a protective layer formed on the transparent substrate, and which is sealed with the protective layer, and a dimming member comprising the same are provided.
    Type: Application
    Filed: December 28, 2010
    Publication date: January 10, 2013
    Inventors: Kazuki Tajima, Yasusei Yamada, Kazuki Yoshimura
  • Patent number: 8284472
    Abstract: The present invention provides an all-solid-state type reflection light controllable electrochromic device having a buffer layer, and the constitution thereof comprises an all-solid-state reflective dimming electrochromic device in which a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a buffer layer, catalyst layer, and a reflective light controllable layer of a magnesium alloy thin film, in particular a multilayer thin film that uses a magnesium-nickel alloy, magnesium-titanium alloy or magnesium-niobium alloy, are formed on a transparent base that uses a glass or resin sheet, and a method for manufacturing the device, and an optical switchable component that incorporates the reflective light controllable electrochromic device, and according to the present invention, a reflective light controllable electrochromic device having a novel multilayer structure can be provided that enables high transmittance when it is transparent and enables switching in a short time over a w
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: October 9, 2012
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuki Yoshimura, Yasusel Yamada, Kazuki Tajima
  • Patent number: 8189255
    Abstract: The present invention provides an all solid state type reflection light control electrochromic element and a light control member that uses this element, relates to an all solid state type reflection light control electrochromic element, which is a magnesium/titanium alloy reflection type light control element in which a multilayer thin film is formed on a transparent substrate, wherein at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer, and a reflection light control layer employing a magnesium/titanium alloy thin film are formed on the substrate; and a light control member which is incorporated with this reflection light control electrochromic element, and the present invention allows a reflection light control electrochromic element, which has a novel multilayer structure that is colorless when transparent and can be switched in a short time over a wide area, as well as a light control member incorporated with this element to be provided.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: May 29, 2012
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuki Yoshimura, Kazuki Tajima, Shanhu Bao, Yasusei Yamada
  • Patent number: 8179588
    Abstract: A switchable mirror element includes a switchable layer having a chromic property enabling the switchable layer to be reversibly changed from a transparent state by hydrogenation and a mirror state by dehydrogenation, and a catalytic layer disposed on the switchable layer and configured to promote hydrogenation or dehydrogenation in the switchable layer. The switchable layer includes an alloy of one or more metals from calcium, strontium, and barium, and magnesium.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: May 15, 2012
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Yasusei Yamada, Kazuki Yoshimura, Shanhu Bao, Kazuki Tajima, Michiru Sakamoto, Hidetoshi Ueno
  • Publication number: 20100188726
    Abstract: The present invention provides an all-solid-state type reflection light controllable electrochromic device having a buffer layer, and the constitution thereof comprises an all-solid-state reflective dimming electrochromic device in which a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a buffer layer, catalyst layer, and a reflective light controllable layer of a magnesium alloy thin film, in particular a multilayer thin film that uses a magnesium-nickel alloy, magnesium-titanium alloy or magnesium-niobium alloy, are formed on a transparent base that uses a glass or resin sheet, and a method for manufacturing the device, and an optical switchable component that incorporates the reflective light controllable electrochromic device, and according to the present invention, a reflective light controllable electrochromic device having a novel multilayer structure can be provided that enables high transmittance when it is transparent and enables switching in a short time over a w
    Type: Application
    Filed: June 17, 2008
    Publication date: July 29, 2010
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TEHCNOLOGY
    Inventors: Kazuki Yoshimura, Yasusel Yamada, Kazuki Tajima
  • Publication number: 20100039692
    Abstract: A switchable mirror element includes a switchable layer having a chromic property enabling the switchable layer to be reversibly changed from a transparent state by hydrogenation and a mirror state by dehydrogenation, and a catalytic layer disposed on the switchable layer and configured to promote hydrogenation or dehydrogenation in the switchable layer. The switchable layer includes an alloy of one or more metals from calcium, strontium, and barium, and magnesium.
    Type: Application
    Filed: August 6, 2009
    Publication date: February 18, 2010
    Inventors: Yasusei Yamada, Kazuki Yoshimura, Shanhu Bao, Kazuki Tajima, Michiru Sakamoto, Hidetoshi Ueno
  • Publication number: 20090323159
    Abstract: The present invention provides an all solid state type reflection light control electrochromic element and a light control member that uses this element, relates to an all solid state type reflection light control electrochromic element, which is a magnesium/titanium alloy reflection type light control element in which a multilayer thin film is formed on a transparent substrate, wherein at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer, and a reflection light control layer employing a magnesium/titanium alloy thin film are formed on the substrate; and a light control member which is incorporated with this reflection light control electrochromic element, and the present invention allows a reflection light control electrochromic element, which has a novel multilayer structure that is colorless when transparent and can be switched in a short time over a wide area, as well as a light control member incorporated with this element to be provided.
    Type: Application
    Filed: December 18, 2007
    Publication date: December 31, 2009
    Applicant: National Institute of Adv Industrial Sci and Tech
    Inventors: Kazuki Yoshimura, Kazuki Tajima, Shanhu Bao, Yasusei Yamada
  • Patent number: 7545551
    Abstract: The present invention provides an all-solid-state reflection-controllable electrochromic device and a reflection-controllable member using that device, and the present invention relates to the all-solid-state reflection-controllable electrochromic device, which is a reflection-controllable device in which a multilayer thin film is formed on a transparent base material, wherein, at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer and a reflection-controllable layer using a magnesium-nickel based alloy thin film are formed on the base material; and, a reflection-controllable member incorporating this reflection-controllable electrochromic device, and it is possible to provide a reflection-controllable electrochromic device, having a novel multilayer structure with high transmissivity when transparent and capable of switching in a short period of time over a large surface area, and a reflection-controllable member incorporating this device.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: June 9, 2009
    Assignees: National Institute of Advanced Industrial Science and Technology, Nissan Motor Co., Ltd.
    Inventors: Kazuki Yoshimura, Kazuki Tajima, Yasusei Yamada, Hirosumi Ogawa, Kinya Kumazawa, Jun Okada
  • Publication number: 20070212263
    Abstract: The present invention provides a micro thermoelectric gas sensor having a thermoelectric conversion section, a microheater, a catalyst layer formed on the microheater and to be heated by the microheater, which acts as a catalyst for catalytic combustion of a combustible gas, and a sensor detection section with an electrode pattern therefore formed on a membrane of a predetermined thickness, and a method for forming a micropattern of a functional material of a catalyst or resistor in a predetermined position on a substrate in a state in which the microstructure of the functional material remains controlled.
    Type: Application
    Filed: March 16, 2005
    Publication date: September 13, 2007
    Applicant: NAT. INST. OF ADV. INDUSTRIAL SCI. AND TECH.
    Inventors: Woosuck Shin, Noriya Izu, Ichiro Matsubara, Norimitsu Murayama, Kazuki Tajima, Fabin Qiu, Zhihui Zhao
  • Publication number: 20070076288
    Abstract: The present invention provides an all-solid-state reflection-controlable electrochromic device and a reflection-controlable member using that device, and the present invention relates to the all-solid-state reflection-controlable electrochromic device, which is a reflection-controlable device in which a multilayer thin film is formed on a transparent base material, wherein, at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer and a reflection-controlable layer using a magnesium-nickel based alloy thin film are formed on the base material; and, a reflection-controlable member incorporating this reflection-controlable electrochromic device, and it is possible to provide a reflection-controlable electrochromic device, having a novel multilayer structure with high transmissivity when transparent and capable of switching in a short period of time over a large surface area, and a reflection-controlable member incorporating this device.
    Type: Application
    Filed: September 12, 2006
    Publication date: April 5, 2007
    Applicants: National Institute of Adv. Industrial Sci. & Tech, Nissan Motor Co., Ltd.
    Inventors: Kazuki Yoshimura, Kazuki Tajima, Yasusei Yamada, Hirosumi Ogawa, Kinya Kumazawa, Jun Okada