Patents by Inventor Akira Ohnuma

Akira Ohnuma 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).

  • SUPPORTING BODY AND METHOD FOR PRODUCING SUPPORTING BODY
    Publication number: 20230335759
    Abstract: A supporting body includes a cluster of an alloy containing Pt and Co, and a support on which the cluster is supported. An amount of Pt supported is 1×10?14 ng/cm2 or more and 1×105 ng/cm2 or less.
    Type: Application
    Filed: April 4, 2023
    Publication date: October 19, 2023
    Applicants: TOYOTA BOSHOKU KABUSHIKI KAISHA, KEIO UNIVERSITY
    Inventors: Akira OHNUMA, Tomotaka SAITO, Atsushi NAKAJIMA
  • Method for storing dry silver salt roll film for rotary type microphotography and rotary type microphotography camera system
    Patent number: 4893148
    Abstract: A dry silver salt roll film for use in the rotary type microphotography is stored in the form of a roll within a range of hardness from 70 of durometer A to 80 of durometer D, so that an unexposed film can be stored stably for a long period of time.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: January 9, 1990
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masahiko Sanada, Yoshio Hayashi, Akira Ohnuma, Shuichiro Ogawa