Patents by Inventor Etsuo Hiraishi

Etsuo Hiraishi 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).

  • Printing machine
    Patent number: D251692
    Type: Grant
    Filed: February 8, 1977
    Date of Patent: April 24, 1979
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Masakazu Sakamoto, Tetsuyuki Doi
  • Fishing reel
    Patent number: D251981
    Type: Grant
    Filed: July 22, 1977
    Date of Patent: May 29, 1979
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Takeshi Shohoji
  • Fishing reel
    Patent number: D253837
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: January 1, 1980
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruo Okamoto
  • Fishing reel
    Patent number: D253840
    Type: Grant
    Filed: February 28, 1978
    Date of Patent: January 1, 1980
    Assignee: Ryobi Ltd.
    Inventor: Etsuo Hiraishi
  • Fishing rod grip
    Patent number: D260675
    Type: Grant
    Filed: October 2, 1979
    Date of Patent: September 8, 1981
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Masakazu Sakamoto
  • Fishing rod grip
    Patent number: D260676
    Type: Grant
    Filed: October 2, 1979
    Date of Patent: September 8, 1981
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Masakazu Sakamoto
  • Printing machine
    Patent number: D263242
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: March 2, 1982
    Assignee: Ryobi, Ltd.
    Inventors: Etsuo Hiraishi, Masakazu Sakamoto
  • Printing machine
    Patent number: D265914
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: August 24, 1982
    Assignee: Ryobi Limited
    Inventors: Etsuo Hiraishi, Masakazu Sakamoto
  • Fishing reel
    Patent number: D269030
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: May 17, 1983
    Assignee: Ryobi Limited
    Inventors: Etsuo Hiraishi, Masakazu Sakamoto
  • Printing machine
    Patent number: D273016
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: March 13, 1984
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Takeshi Shohoji