Patents by Inventor Tousaku Hattori

Tousaku Hattori 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: D309130
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: July 10, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Atsuo Yoshida, Koushirou Adachi, Tousaku Hattori, Hiroshi Watanabe, Yoshiaki Takahashi
  • Patent number: D319071
    Type: Grant
    Filed: August 29, 1988
    Date of Patent: August 13, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Masayuki Tamasaku, Tousaku Hattori, Tamio Ishihara, Masami Sakamoto, Yutaka Kaneko