Patents by Inventor Hironori Ohata

Hironori Ohata 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).

  • Conference telephone
    Patent number: D557676
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: December 18, 2007
    Assignees: Iwatsu Electric Co., Ltd., Nippon Telegraph and Telephone East Corporation, Nippon Telegraph and Telephone West Corporation
    Inventors: Syohei Suzuki, Yasuhiro Sota, Masanobu Abe, Keiichi Nakayama, Hironori Ohata, Tsutomu Irishima