Patents by Inventor Shuuhei Taohata

Shuuhei Taohata 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).

  • Carbon black aggregate
    Patent number: 6019829
    Abstract: A carbon black aggregate having a surface hardness of at least 70 g and having a covering.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: February 1, 2000
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yoshihiro Omae, Syushichi Yoshimura, Michihiro Ikeda, Tadashi Hashiguchi, Akiyoshi Ohnishi, Shuuhei Taohata