Patents by Inventor Toshiharu Yokoyama

Toshiharu Yokoyama 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: 11433378
    Abstract: Provided are an intermetallic compound having high stability and high activity, and a catalyst using the same. A hydrogen storage/release material containing an intermetallic compound represented by formula (1): RTX . . . (1) wherein R represents a lanthanoid element, T represents a transition metal in period 4 or period 5 in the periodic table, and X represents Si, Al or Ge.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 6, 2022
    Assignees: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Hideo Hosono, Yutong Gong, Jiazhen Wu, Masaaki Kitano, Toshiharu Yokoyama, Yangfan Lu, Tiannan Ye
  • Publication number: 20220241754
    Abstract: The invention provides a method of producing a metal oxyhydride, capable of synthesizing the metal oxyhydride under reaction conditions close to atmospheric pressure, and excellent in productivity and cost. The method of producing a metal oxyhydride of the present invention includes reacting an oxide with a metal hydride in a hydrogen atmosphere. A non-oxygen element constituting the oxide comprises only one kind of non-oxygen element. A pressure condition of the reaction is 0.1 to 0.9 MPa, and a temperature of the reaction is 500 to 1000° C.
    Type: Application
    Filed: July 1, 2020
    Publication date: August 4, 2022
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Masaaki KITANO, Hideo HOSONO, Toshiharu YOKOYAMA, Kayato OOYA, Kiya OGASAWARA, Ryu TAKASHIMA
  • Publication number: 20220143580
    Abstract: A molded sintered body containing a mayenite type compound, an inorganic binder sintered material, and a transition metal, wherein a content of the inorganic binder sintered material is 3 to 30 parts by mass with respect to 100 parts by mass of the molded sintered body, and the molded sintered body has at least one pore peak in each of a pore diameter range of 2.5 to 20 nm and a pore diameter range of 20 to 350 nm. A method for producing the molded sintered body, including mixing a precursor of a mayenite type compound and a raw material of an inorganic binder sintered material to prepare a mixture; molding the mixture to prepare a molded body of the mixture; firing the molded body to prepare a fired product; and supporting a transition metal on the fired product to produce a molded sintered body.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 12, 2022
    Applicants: Tsubame BHB Co., Ltd., Tokyo Institute of Technology
    Inventors: Yasunori INOUE, Munenobu ITO, Kazuhisa KISHIDA, Hideo HOSONO, Masaaki KITANO, Toshiharu YOKOYAMA
  • Publication number: 20220107971
    Abstract: An information processing apparatus includes: a processor configured to: acquire a message for another person that a requester has input when requesting the other person to register a document in a specific storage location of a storage device; if the other person registers the document, which the requester has requested to register, in the storage location, associate at least one element of the message with the registered document; and upon receiving a search for a document with a search term from the requester, search for and output a document associated with an element, including the search term, of the at least one element of the message.
    Type: Application
    Filed: May 12, 2021
    Publication date: April 7, 2022
    Applicant: FUJIFILM BUSINESS INNOVATION CORP.
    Inventor: Toshiharu YOKOYAMA
  • Patent number: 11267720
    Abstract: Provided is a manufacturing method with which it is possible to convert a mayenite-type compound to an electride, wherein a reducing agent is not required, reaction conditions include a temperature that is lower than that in the related art, and the reaction is performed more quickly in a simple manner, and, additionally, by requiring a lower amount of energy. Provided is a method for manufacturing an electride of mayenite-type compounds, the method being characterized in that a mayenite-type compound is converted to an electride by making a current directly flow through the mayenite-type compound by applying a voltage to the mayenite-type compound in a heating state.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 8, 2022
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Hideo Hosono, Toshiharu Yokoyama, Yoshitake Toda, Shintaro Ishiyama
  • Publication number: 20220048782
    Abstract: The invention provides a perovskite-type oxynitride hydride which can be easily synthesized by achieving both improvement in catalytic performance and stabilization when used as a support of a catalyst. The oxynitride hydride is represented by general formula (1a) or (1b). ABO3-xNyHz??(1a) AB2O4-xNyHz??(1b) (In the above general formulas (1 a) and (1 b), A is at least one selected from the group consisting of Ba and Sr; B is at least one selected from the group consisting of Ce, La and Y; x represents a number represented by 0.2?x?2.0; y represents a number represented by 0.1?y?1.0; and z represents a number represented by 0.1?z?1.0.
    Type: Application
    Filed: February 26, 2020
    Publication date: February 17, 2022
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Masaaki KITANO, Hideo HOSONO, Toshiharu YOKOYAMA, Jun KUJIRAI
  • Patent number: 11235310
    Abstract: Provided is a method for manufacturing a catalyst with which it is possible to obtain a supported metal ammonia synthesis catalyst, in which there are restrictions in terms of producing method and producing facility, and particularly large restrictions for industrial-scale producing, in a more simple manner and so that the obtained catalyst has a high activity. This method for manufacturing an ammonia synthesis catalyst includes: a first step for preparing 12CaO.7Al2O3 having a specific surface area of 5 m2/g or above; a second step for supporting a ruthenium compound on the 12CaO.7Al2O3; and a third step for performing a reduction process on the 12CaO.7Al2O3 supporting the ruthenium compound, obtained in the second step. This invention is characterized in that the reduction process is performed until the average particle diameter of the ruthenium after the reduction process has increased by at least 15% in relation to the average particle diameter of the ruthenium before the reduction process.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: February 1, 2022
    Assignees: Tokyo Institute of Technology, Tsubame BHB Co., Ltd.
    Inventors: Hideo Hosono, Masaaki Kitano, Toshiharu Yokoyama, Jiang Li, Shigeki Kawamura, Kazuhisa Kishida
  • Patent number: 11178231
    Abstract: An information processing apparatus includes a storage controller and a display controller. The storage controller performs control when storing of data is accepted from an unregistered user yet to be registered in advance. The control is performed to store the accepted data in association with identification information that enables the unregistered user to be discriminated from a different unregistered user. The display controller performs control when the unregistered user performs access to the information processing apparatus. The control is performed to switch data to be displayed to the unregistered user performing the access. The data is switched by using the identification information.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: November 16, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Toshiharu Yokoyama
  • Publication number: 20210284544
    Abstract: Provided is a manufacturing method with which it is possible to convert a mayenite-type compound to an electride, wherein a reducing agent is not required, reaction conditions include a temperature that is lower than that in the related art, and the reaction is performed more quickly in a simple manner, and, additionally, by requiring a lower amount of energy. Provided is a method for manufacturing an electride of mayenite-type compounds, the method being characterized in that a mayenite-type compound is converted to an electride by making a current directly flow through the mayenite-type compound by applying a voltage to the mayenite-type compound in a heating state.
    Type: Application
    Filed: July 25, 2017
    Publication date: September 16, 2021
    Inventors: Hideo HOSONO, Toshiharu YOKOYAMA, Yoshitake TODA, Shintaro ISHIYAMA
  • Patent number: 10941427
    Abstract: A production system for a product selected from a nitrogen-containing product and a fermented and cultured product that does not involve (or can minimize) the transport of liquid ammonia can include: an ammonia synthesis apparatus in which an ammonia-containing gas is synthesized by reaction of a source gas containing hydrogen and nitrogen in the presence of a supported metal catalyst containing as a support one or more selected from the group consisting of: i) a conductive mayenite compound; ii) a two-dimensional electride compound or a precursor thereof; and iii) a complex formed of a support base containing at least one metal oxide selected from ZrO2, TiO2, CeO2, and MgO and a metal amide represented by a formula M(NH2)x (where M represents one or more selected from Li, Na, K, Be, Mg, Ca, Sr, Ba, and Eu; and x represents a valence number of M) supported by the support base.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: March 9, 2021
    Assignees: Ajinomoto Co., Inc., Tokyo Institute of Technology
    Inventors: Mitsuhiro Kishino, Hiroyuki Kojima, Hideo Hosono, Michikazu Hara, Masaaki Kitano, Toshiharu Yokoyama, Toru Numaguchi, Munenobu Ito, Kazuteru Yamada, Hiromi Noguchi
  • Publication number: 20210025063
    Abstract: An electrolytic cell capable of simply electrolyzing carbon dioxide into carbon monoxide and oxygen with low activation energy, and an electrolytic device. The carbon dioxide electrolytic cell includes a cathode, an anode, and a solid electrolyte having oxide ion conductivity. The cathode is the following (A) or (B); (A) a metal and a first mayenite-type compound are included therein or (B) a metal and a second mayenite-type compound are included therein, said second mayenite type compound including a mayenite type compound having electron conductivity.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 28, 2021
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Hideo HOSONO, Toshiharu YOKOYAMA, Yoshitake TODA, Shintaro ISHIYAMA, Masami TAGUCHI, Hiroki TAKAHASHI
  • Publication number: 20210016254
    Abstract: Provided is a method for manufacturing a catalyst with which it is possible to obtain a supported metal ammonia synthesis catalyst, in which there are restrictions in terms of producing method and producing facility, and particularly large restrictions for industrial-scale producing, in a more simple manner and so that the obtained catalyst has a high activity. This method for manufacturing an ammonia synthesis catalyst includes: a first step for preparing 12CaO.7Al2O3 having a specific surface area of 5 m2/g or above; a second step for supporting a ruthenium compound on the 12CaO.7Al2O3; and a third step for performing a reduction process on the 12CaO.7Al2O3 supporting the ruthenium compound, obtained in the second step. This invention is characterized in that the reduction process is performed until the average particle diameter of the ruthenium after the reduction process has increased by at least 15% in relation to the average particle diameter of the ruthenium before the reduction process.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Applicants: Tokyo Institute of Technology, Tsubame BHB Co., Ltd.
    Inventors: Hideo Hosono, Masaaki Kitano, Toshiharu Yokoyama, Jiang Li, Shigeki Kawamura, Kazuhisa Kishida
  • Publication number: 20200407762
    Abstract: Provided is a novel production system that does not involve, or can minimize, the transport of liquid ammonia in the production of an organic compound or the production of a microorganism by microbial fermentation. A production system for an organic compound or a microorganism includes: an ammonia synthesis apparatus in which an ammonia-containing gas is synthesized by reaction of a source gas containing hydrogen and nitrogen in the presence of a supported ruthenium catalyst; and a culture apparatus that cultures a microorganism having organic compound productivity using ammonia originating from the ammonia-containing gas obtained by using the ammonia synthesis apparatus.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicants: AJINOMOTO CO., INC., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Mitsuhiro Kishino, Hiroyuki Kojima, Hideo Hosono, Michikazu Hara, Masaaki Kitano, Toshiharu Yokoyama, Toru Numaguchi, Munenobu Ito, Kazuteru Yamada, Hiromi Noguchi
  • Patent number: 10846414
    Abstract: An information processing system grants an access right to data to a registered user, and includes a receiving unit and a granting unit. The receiving unit receives information on an unregistered user who is to be granted with an access right to specific data. The granting unit grants the access right to the specific data to the unregistered user after the unregistered user has been registered.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: November 24, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yasuhiro Ito, Kiyoshi Tashiro, Toshiharu Yokoyama, Tomoyuki Shimizu, Ken Ichikawa
  • Patent number: 10808267
    Abstract: Provided is a novel production system that does not involve, or can minimize, the transport of liquid ammonia in the production of an organic compound or the production of a microorganism by microbial fermentation. A production system for an organic compound or a microorganism includes: an ammonia synthesis apparatus in which an ammonia-containing gas is synthesized by reaction of a source gas containing hydrogen and nitrogen in the presence of a supported ruthenium catalyst; and a culture apparatus that cultures a microorganism having organic compound productivity using ammonia originating from the ammonia-containing gas obtained by using the ammonia synthesis apparatus.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: October 20, 2020
    Assignees: Ajinomoto Co., Inc., Tokyo Institute of Technology
    Inventors: Mitsuhiro Kishino, Hiroyuki Kojima, Hideo Hosono, Michikazu Hara, Masaaki Kitano, Toshiharu Yokoyama, Toru Numaguchi, Munenobu Ito, Kazuteru Yamada, Hiromi Noguchi
  • Patent number: 10792645
    Abstract: An electride, which is more stable and can be more easily obtained, is provided or is made available, and as a result, a catalyst particularly useful for chemical synthesis, in which the electride is particularly used, is provided. A transition metal-supporting intermetallic compound having a transition metal supported on an intermetallic compound represented by the following formula (1): A5X3 . . . (1) wherein A represents a rare earth element, and X represents Si or Ge.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 6, 2020
    Assignees: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Hideo Hosono, Masaaki Kitano, Tomofumi Tada, Toshiharu Yokoyama, Yoshitake Toda, Yangfan Lu, Jiang Li
  • Patent number: 10759668
    Abstract: The present invention provides a supported metal catalyst, a method for synthesizing ammonia using said catalyst, and a supported metal material in which a transition metal is supported on a support, wherein the support is a metal hydride represented by general formula (1): XHn . . . (1); and in general formula (1), X represents at least one selected from the group consisting of atoms from Groups 2 and 3, and lanthanoid atoms, and n is in a range of 2<n<3.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: September 1, 2020
    Assignees: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Hideo Hosono, Michikazu Hara, Masaaki Kitano, Hiroshi Mizoguchi, Toshiharu Yokoyama, Kyosuke Yamagata
  • Patent number: 10695751
    Abstract: The invention provides a Laves phase intermetallic compound having a composition represented by general formula ARu2 (A is Y, Sc, or at least one element selected from lanthanoid elements excluding Ce), the crystallite size thereof being 1 nm to 100 nm; a catalyst including the intermetallic compound as an active ingredient; and a method for producing ammonia using the same.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: June 30, 2020
    Assignees: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Hideo Hosono, Toshiharu Yokoyama, Masaaki Kitano, Hiroshi Mizoguchi, Takaya Ogawa
  • Publication number: 20200164348
    Abstract: Provided are an intermetallic compound having high stability and high activity, and a catalyst using the same. A hydrogen storage/release material containing an intermetallic compound represented by formula (1): RTX . . . (1) wherein R represents a lanthanoid element, T represents a transition metal in period 4 or period 5 in the periodic table, and X represents Si, Al or Ge.
    Type: Application
    Filed: July 12, 2018
    Publication date: May 28, 2020
    Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Hideo HOSONO, Yutong GONG, Jlazhen WU, Masaaki KITANO, Toshiharu YOKOYAMA, Yangfan LU, Tiannan YE
  • Publication number: 20200137172
    Abstract: An information processing apparatus includes a storage controller and a display controller. The storage controller performs control when storing of data is accepted from an unregistered user yet to be registered in advance. The control is performed to store the accepted data in association with identification information that enables the unregistered user to be discriminated from a different unregistered user. The display controller performs control when the unregistered user performs access to the information processing apparatus. The control is performed to switch data to be displayed to the unregistered user performing the access. The data is switched by using the identification information.
    Type: Application
    Filed: April 17, 2019
    Publication date: April 30, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Toshiharu YOKOYAMA