Patents by Inventor Kazuhito Ohtomo

Kazuhito Ohtomo 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).

  • Record player
    Patent number: D247488
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: March 14, 1978
    Assignee: Sansui Electric Co., Ltd.
    Inventor: Kazuhito Ohtomo
  • Tuner
    Patent number: D247749
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: April 18, 1978
    Assignee: Sansui Electric Co., Ltd.
    Inventor: Kazuhito Ohtomo
  • Record player
    Patent number: D249143
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: August 29, 1978
    Assignee: Sansui Electric Co., Ltd.
    Inventor: Kazuhito Ohtomo
  • Amplifier
    Patent number: D249946
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: October 17, 1978
    Assignee: Sansui Electric Co., Ltd.
    Inventor: Kazuhito Ohtomo
  • Tone arm
    Patent number: D251003
    Type: Grant
    Filed: April 5, 1977
    Date of Patent: February 6, 1979
    Assignee: Sansui Electric Co., Ltd.
    Inventor: Kazuhito Ohtomo
  • Record player
    Patent number: D253648
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: December 11, 1979
    Inventor: Kazuhito Ohtomo