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: D303677
    Type: Grant
    Filed: April 1, 1986
    Date of Patent: September 26, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Noriko Satake
  • Electronic calculator
    Patent number: D303678
    Type: Grant
    Filed: September 24, 1986
    Date of Patent: September 26, 1989
    Assignee: Sharp Kabushiki Kaishi
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator
    Patent number: D303679
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: September 26, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida, Toshiya Takahashi
  • Electronic calculator
    Patent number: D303680
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: September 26, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Electronic calculator with memo
    Patent number: D303807
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: October 3, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Toshiya Takahashi
  • Electronic calculator
    Patent number: D303980
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: October 10, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Toshiya Takahashi
  • Input/output terminal
    Patent number: D304175
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: October 24, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Input/output device for electronic memo
    Patent number: D304718
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: November 21, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic memorandum input/output terminal
    Patent number: D305535
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: January 16, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Reader for hand copying machine
    Patent number: D305539
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: January 16, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator with printer
    Patent number: D305668
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: January 23, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator with radio
    Patent number: D305906
    Type: Grant
    Filed: August 12, 1986
    Date of Patent: February 6, 1990
    Assignee: Sharp Corporation
    Inventors: Yubisui Takahisa, Hiroshi Sakaguchi, Tadahiko Saimen
  • Combined calculator and cradle therefor
    Patent number: D306176
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: February 20, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Masaki Kawamura
  • Printer
    Patent number: D307157
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: April 10, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator with printer
    Patent number: D307289
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: April 17, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator
    Patent number: D307292
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: April 17, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator
    Patent number: D307595
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: May 1, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Computer
    Patent number: D307889
    Type: Grant
    Filed: March 22, 1988
    Date of Patent: May 15, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Toshiya Takahashi
  • 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