Patents by Inventor Hiroshi Sakaguchi

Hiroshi Sakaguchi 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).

  • Electronic calculator
    Patent number: D308391
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: June 5, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator with printer
    Patent number: D308532
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: June 12, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator with printer
    Patent number: D308533
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: June 12, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator
    Patent number: D308692
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: June 19, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator with solar cell
    Patent number: D308693
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: June 19, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator with memorandum function
    Patent number: D308883
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: June 26, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator with printer
    Patent number: D309152
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: July 10, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Yoko Ikuzawa
  • Electronic calculator with printer
    Patent number: D309470
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: July 24, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator
    Patent number: D309624
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Electronic calculator
    Patent number: D309626
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Keiichi Koyama
  • Case for electronic calculator
    Patent number: D309628
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator with solar cell
    Patent number: D309747
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: August 7, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator
    Patent number: D309910
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: August 14, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Toshiya Takahashi
  • Electronic calculator with solar cell
    Patent number: D310093
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: August 21, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Typewriter
    Patent number: D310235
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: August 28, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Keiichi Koyama
  • Typewriter
    Patent number: D313811
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: January 15, 1991
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Toshiya Takahashi
  • Electronic calculator
    Patent number: D314785
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: February 19, 1991
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Sphygmomanometer
    Patent number: D315019
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: February 26, 1991
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Sphygmomanometer
    Patent number: D315020
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: February 26, 1991
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator with printer
    Patent number: D315358
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: March 12, 1991
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Keiichi Koyama