Patents by Inventor Shiroh Ohmori

Shiroh Ohmori 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).

  • Method for manufacture of graphitized hollow spheres and hollow spheres manufactured thereby
    Patent number: 4025689
    Abstract: Disclosed are graphitized hollow spheres and a method for the manufacture thereof which comprises coating a spherical core of foamed polystyrene with carbonaceous powder and a binder, heating the coated core under controlled conditions to decompose the spherical core of foamed polystyrene, and further heating the resultant carbonaceous body at a high temperature.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: May 24, 1977
    Assignee: Agency of Industrial Science & Technology
    Inventors: Kazuo Kobayashi, Shiroh Ohmori, Tetsuhiko Hasuda, Minoru Shiraishi, Satoshi Arai