Patents by Inventor Hirotsugu Onishi

Hirotsugu Onishi 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: 4311621
    Abstract: A process for producing a filler for adhesive for bonding wood which comprises contacting a raw material of filler for adhesive composed of a vegetable cellulosic material with saturated steam or superheated steam and thereby heat-treating it.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: January 19, 1982
    Assignee: Kikkoman Corporation
    Inventors: Yoshihiko Nishizawa, Toshio Furukawa, Teruo Goto, Hirotsugu Onishi