Patents by Inventor Shigeru Namaizawa

Shigeru Namaizawa 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).

  • Radar display unit
    Patent number: D389757
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: January 27, 1998
    Assignee: Japan Radio Co., Ltd.
    Inventors: Shinichiro Nishimura, Shigeru Namaizawa, Toshiro Taki, Tatsuya Ikeda
  • Receiver for satellite navigation
    Patent number: D390137
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: February 3, 1998
    Assignee: Japan Radio Co., Ltd.
    Inventors: Shinichiro Nishimura, Shigeru Namaizawa, Toshiro Taki, Miyoshi Nishio
  • Radar display unit
    Patent number: D390484
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: February 10, 1998
    Assignee: Japan Radio Co., Ltd.
    Inventors: Shinichiro Nishimura, Shigeru Namaizawa, Toshiro Taki, Tomokazu Abe
  • Fish finder
    Patent number: D394223
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: May 12, 1998
    Assignee: Japan Radio Co., Ltd.
    Inventors: Shinichiro Nishimura, Shigeru Namaizawa, Toshiro Taki, Kiyofumi Ishibashi
  • Fish finder
    Patent number: D398546
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: September 22, 1998
    Assignee: Japan Radio Co., Ltd.
    Inventors: Shinichiro Nishimura, Toshiro Taki, Shigeru Namaizawa, Shinichi Kato
  • Image display monitor
    Patent number: D709495
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: July 22, 2014
    Assignees: Japan Radio Co., Ltd., Eizo Corporation
    Inventors: Keiko Akutsu, Shigeru Namaizawa, Makoto Nakanishi, Masaki Nakamura, Shinichi Honda, Ikuo Nakashima
  • Image display monitor
    Patent number: D709497
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: July 22, 2014
    Assignees: Japan Radio Co., Ltd., Eizo Corporation
    Inventors: Keiko Akutsu, Shigeru Namaizawa, Makoto Nakanishi, Masaki Nakamura, Shinichi Honda, Ikuo Nakashima