Patents by Inventor Shu Usuba

Shu Usuba 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).

  • Detonation-mediated carbon particle production method
    Patent number: 10294162
    Abstract: A method for producing a carbon particle by a detonation method includes two steps. The first step is a step of disposing an explosive substance in the periphery of a raw material substance. The explosive substance has a detonation velocity of 6,300 m/s or more. The raw material substance contains an aromatic compound having not more than 2 nitro groups. The second step is a step of allowing the explosive substance to detonate.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: May 21, 2019
    Assignees: KOBE STEEL, LTD., NATIONAL INSTITUTE OF ADVANCED SCIENCE AND TECHNOLOGY
    Inventors: Ryutaro Wada, Masaya Ueda, Yozo Kakudate, Shuzo Fujiwara, Shu Usuba
  • Method for producing carbon particles by detonation
    Patent number: 10201791
    Abstract: A production method of a carbon particle by a detonation method includes a step of disposing an explosive substance in a periphery of a raw material substance, and a step of subjecting the explosive substance to a detonation. The explosive substance is a liquid at normal temperature and normal pressure. The raw material substance contains an aromatic compound having 3 or more nitro groups.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: February 12, 2019
    Assignees: KOBE STEEL, LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryutaro Wada, Masaya Ueda, Yozo Kakudate, Shuzo Fujiwara, Shu Usuba
  • Graphite group, carbon particles containing said graphite group
    Patent number: 10195575
    Abstract: Provided is graphite group that, when observed with a transmission electron microscope, has a laminated surface spacing of 0.2-1 nm, includes graphite pieces measuring 1.5-10 nm in a direction perpendicular to the laminating direction, the laminating direction of the graphite pieces being irregular.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 5, 2019
    Assignees: Kobe Steel, Ltd., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryutaro Wada, Masaya Ueda, Shu Usuba, Yozo Kakudate, Shuzo Fujiwara
  • GRAPHITE GROUP, CARBON PARTICLES CONTAINING SAID GRAPHITE GROUP
    Publication number: 20180200686
    Abstract: Provided is graphite group that, when observed with a transmission electron microscope, has a laminated surface spacing of 0.2-1 nm, includes graphite pieces measuring 1.5-10 nm in a direction perpendicular to the laminating direction, the laminating direction of the graphite pieces being irregular.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 19, 2018
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryutaro WADA, Masaya UEDA, Shu USUBA, Yozo KAKUDATE, Shuzo FUJIWARA
  • METHOD FOR PRODUCING CARBON PARTICLES BY DETONATION
    Publication number: 20170183234
    Abstract: A production method of a carbon particle by a detonation method includes a step of disposing an explosive substance in a periphery of a raw material substance, and a step of subjecting the explosive substance to a detonation. The explosive substance is a liquid at normal temperature and normal pressure. The raw material substance contains an aromatic compound having 3 or more nitro groups.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 29, 2017
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryutaro WADA, Masaya UEDA, Yozo KAKUDATE, Shuzo FUJIWARA, Shu USUBA
  • DETONATION- MEDIATED CARBON PARTICLE PRODUCTION METHOD
    Publication number: 20160318809
    Abstract: A method for producing a carbon particle by a detonation method includes two steps. The first step is a step of disposing an explosive substance in the periphery of a raw material substance. The explosive substance has a detonation velocity of 6,300 m/s or more. The raw material substance contains an aromatic compound having not more than 2 nitro groups. The second step is a step of allowing the explosive substance to detonate.
    Type: Application
    Filed: December 24, 2014
    Publication date: November 3, 2016
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryutaro WADA, Masaya UEDA, Yozo KAKUDATE, Shuzo FUJIWARA, Shu USUBA
  • Polycrystalline BCN substance and method of producing same
    Patent number: 5866059
    Abstract: In order to produce a new substance having a diamond crystal structure, the following steps are taken in order. First, a graphite-like substance is prepared which contains boron (B), carbon (C) and nitrogen (N) as main elements. Then, the graphite-like substance is mixed with a metal powder to produce a mixture. Then, a pressure is applied to the mixture to produce a molded body, and then an explosion pressure is applied to the molded body.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: February 2, 1999
    Assignees: Central Glass Company, Limited, Agency of Industrial Science and Technology, Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Shuzo Fujiwara, Masatake Yoshida, Yozo Kakudate, Shu Usuba, Hiroyuki Yokoi, Katsutoshi Aoki, Masayuki Kawaguchi, Tadayuki Kawashima, Katsuharu Kasami, Tamikuni Komatsu
  • Solid-state polymerization of acetylene
    Patent number: 4864004
    Abstract: Acetylene can be polymerized into a polyacetylene by a solid-state polymerization reaction when it is compressed into a solid under a high pressure of, for example, 1 GPa or higher. The polyacetylene product is obtained in a bulky transparent form in contrast to conventional polyacetylenes in a fibrous form prepared by utilizing a Ziegler-Natta catalyst, and free from impurities because neither catalyst nor solvent is used in the reaction.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: September 5, 1989
    Assignee: Japan as represented by Director General of Agency of Industrial Science and Technology
    Inventors: Katsutoshi Akoi, Shuzo Fujiwara, Katsumi Tanaka, Yozo Kakudate, Masatake Yoshida, Shu Usuba