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).

  • Fishing reel
    Patent number: D281189
    Type: Grant
    Filed: February 17, 1983
    Date of Patent: October 29, 1985
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Takeshi Shohoji
  • Electric drill
    Patent number: D287814
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: January 20, 1987
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Tetsuyuki Doi, Hiroshi Morikawa
  • Fishing reel
    Patent number: D299848
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: February 14, 1989
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numata
  • Fishing reel
    Patent number: D299849
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: February 14, 1989
    Assignee: Ryobi Ltd
    Inventors: Tetsuyuki Doi, Etsuo Hiraishi
  • Fishing reel
    Patent number: D300054
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: February 28, 1989
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numata
  • Fishing reel
    Patent number: D300055
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: February 28, 1989
    Assignee: Ryobi Ltd.
    Inventors: Tetsuyuki Doi, Etsuo Hiraishi
  • Fishing reel
    Patent number: D300843
    Type: Grant
    Filed: June 5, 1987
    Date of Patent: April 25, 1989
    Assignee: Ryobi Ltd.
    Inventors: Tetsuyuki Doi, Etsuo Hiraishi
  • Fishing reel
    Patent number: D300844
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: April 25, 1989
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numata
  • Fishing reel
    Patent number: D303281
    Type: Grant
    Filed: June 5, 1987
    Date of Patent: September 5, 1989
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numasta
  • Fishing reel
    Patent number: D307622
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: May 1, 1990
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numata
  • Fishing reel
    Patent number: D308717
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: June 19, 1990
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Hideo Ohtani
  • Fishing reel
    Patent number: D309171
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: July 10, 1990
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numata
  • Fishing reel
    Patent number: D309936
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: August 14, 1990
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Teruhisa Numata
  • Offset printing machine
    Patent number: D350561
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: September 13, 1994
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Hideo Aoyama, Katsushi Hirokawa
  • Offset printing machine
    Patent number: D351188
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: October 4, 1994
    Assignee: Ryobi Ltd.
    Inventors: Etsuo Hiraishi, Hideo Aoyama, Katsushi Hirokawa
  • Offset printing machine
    Patent number: D353396
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: December 13, 1994
    Assignee: Ryobi, Ltd.
    Inventors: Etsuo Hiraishi, Hideo Aoyama
  • Offset printing machine
    Patent number: D353618
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: December 20, 1994
    Assignee: Ryobi, Ltd.
    Inventors: Etsuo Hiraishi, Hideo Aoyama
  • Fishing reel
    Patent number: D390306
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: February 3, 1998
    Assignee: Ryobi Limited
    Inventors: Nobuhiko Oba, Etsuo Hiraishi
  • Fishing reel
    Patent number: D400639
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: November 3, 1998
    Assignee: Ryobi Ltd.
    Inventors: Masaaki Ito, Etsuo Hiraishi
  • Fishing reel
    Patent number: D400959
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: November 10, 1998
    Assignee: Ryobi Ltd.
    Inventors: Katuhiro Moriya, Etsuo Hiraishi