Patents by Inventor Masahito Takasuna

Masahito Takasuna 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).

  • Patent number: D297563
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: September 6, 1988
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahito Takasuna, Takuma Watanabe
  • Patent number: D307466
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: April 24, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahito Takasuna, Takuma Watanabe
  • Patent number: D316681
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: May 7, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahito Takasuna, Takuma Watanabe
  • Patent number: D341879
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: November 30, 1993
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahito Takasuna, Mamoru Fukuda