Patents by Inventor Tatsuro Funahashi

Tatsuro Funahashi 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).

  • Felt pen
    Patent number: D260656
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: September 8, 1981
    Assignee: Shachihata Industrial Co., Ltd.
    Inventor: Tatsuro Funahashi
  • Felt pen
    Patent number: D260657
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: September 8, 1981
    Assignee: Shachihata Industrial Co., Ltd.
    Inventor: Tatsuro Funahashi
  • Felt pen
    Patent number: D265741
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: August 10, 1982
    Assignee: Shachihata Industrial Co., Ltd.
    Inventor: Tatsuro Funahashi
  • Rotary stamp
    Patent number: D268187
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: March 8, 1983
    Assignee: Shachihata Industrial Co., Ltd.
    Inventor: Tatsuro Funahashi
  • Rotary stamp
    Patent number: D275687
    Type: Grant
    Filed: November 17, 1981
    Date of Patent: September 25, 1984
    Assignee: Shachihata Industrial Co., Ltd.
    Inventor: Tatsuro Funahashi
  • Felt tip pen
    Patent number: D286546
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: November 4, 1986
    Assignee: Shachihata Industrial Co., Ltd.
    Inventor: Tatsuro Funahashi
  • Marking pen
    Patent number: D294599
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: March 8, 1988
    Assignee: Shachihata Industrial Co., Ltd.
    Inventors: Tatsuro Funahashi, Shiro Hayashi
  • Ballpoint pen
    Patent number: D294600
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: March 8, 1988
    Assignee: Shachihata Industrial Co., Ltd.
    Inventors: Tatsuro Funahashi, Shiro Hayashi
  • Felt-tipped pen
    Patent number: D331940
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: December 22, 1992
    Assignee: Shachihata Industrial Co., Inc.
    Inventors: Shigeo Shirai, Tatsuro Funahashi