Patents by Inventor Tadahiko Hajouda

Tadahiko Hajouda 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: 6069136
    Abstract: The purpose of the present invention is to provide a simple and economical method for the production of BC having improved properties such as dispesibility, suspensibility and viscosity.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: May 30, 2000
    Assignee: Bio-Polymer Research Co., Ltd.
    Inventors: Naoki Tahara, Kunihiko Watanabe, Nobuya Hioki, Yasushi Morinaga, Tadahiko Hajouda, Hiroshi Miyashita, Akira Shibata, Hiroshi Ougiya