Patents by Inventor Setsuo Ohtaka

Setsuo Ohtaka 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).

  • Battery checker
    Patent number: D503640
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: April 5, 2005
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Setsuo Ohtaka
  • Flash light
    Patent number: D521166
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: May 16, 2006
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Kenji Iwai, Setsuo Ohtaka
  • Portable light
    Patent number: D464753
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: October 22, 2002
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Setsuo Ohtaka, Takeshi Sugisaki
  • Flashlight
    Patent number: D465045
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: October 29, 2002
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Setsuo Ohtaka, Takeshi Sugisaki
  • Combined flashlight and fluorescent lamp
    Patent number: D467376
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: December 17, 2002
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Setsuo Ohtaka, Takeshi Sugisaki
  • Flashlight
    Patent number: D479014
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: August 26, 2003
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Setsuo Ohtaka
  • Headlamp
    Patent number: D500377
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: December 28, 2004
    Assignee: FDK Corporation
    Inventors: Yukihiro Yamamoto, Setsuo Ohtaka
  • Flashlight
    Patent number: D356170
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: March 7, 1995
    Assignee: Fuji Electromechanical Co., Ltd.
    Inventors: Setsuo Ohtaka, Shigenori Suzuki, Yukihiro Yamamoto