Patents by Inventor Reijiro Yamada

Reijiro Yamada 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).

  • Shadowless lamp for medical use
    Patent number: D335360
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: May 4, 1993
    Assignee: Yamada Iryo Shomei Kabushiki Kaisha
    Inventors: Reijiro Yamada, Yasuhiro Kato
  • Shadowless lamp for medical use
    Patent number: D336146
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: June 1, 1993
    Assignee: Yamada Iryo Shomei Kabushiki Kaisha
    Inventors: Reijiro Yamada, Yasuhiro Kato
  • Balancing arm for a medical lamp
    Patent number: D337173
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: July 6, 1993
    Assignee: Yamada Iryo Shomei Kabushiki Kaisha
    Inventors: Reijiro Yamada, Nobuo Suzuki