Patents by Inventor Tadaharu Ogawa

Tadaharu Ogawa 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 of manufacturing pulp mold formed product
    Patent number: 6461480
    Abstract: A pulp molded article is produced by depositing pulp fiber on the outer surface of a papermaking core mold having a plurality of interconnecting paths connecting the outside and the inside to form a pulp deposited body, placing the pulp deposited body in a set of split molds, and then pressing the pulp deposited body for dehydration by a prescribed means.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: October 8, 2002
    Assignee: Kao Corporation
    Inventors: Shinji Otakura, Yoshiaki Kumamoto, Kenichi Otani, Tadaharu Ogawa, Atsushi Sato