Patents by Inventor Takahisa Yubisui

Takahisa Yubisui 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).

  • Portable computer
    Patent number: D294578
    Type: Grant
    Filed: July 10, 1985
    Date of Patent: March 8, 1988
    Assignee: Sharp Corporation
    Inventor: Takahisa Yubisui
  • Electronic calculator
    Patent number: D295875
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: May 24, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator
    Patent number: D297947
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: October 4, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator
    Patent number: D297948
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: October 4, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator
    Patent number: D297949
    Type: Grant
    Filed: April 29, 1986
    Date of Patent: October 4, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Toshiya Takahashi
  • Electronic calculator
    Patent number: D297950
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: October 4, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Katsuhiro Iida
  • Input/output device for electronic memo
    Patent number: D298622
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: November 22, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Tadahiko Saimen
  • Pocket computer
    Patent number: D298623
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: November 22, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Kazumi Osaka
  • Electronic sphygmomanometer
    Patent number: D298774
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: November 29, 1988
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Toshiya Takahashi
  • Electronic thermometer
    Patent number: D299700
    Type: Grant
    Filed: September 24, 1986
    Date of Patent: February 7, 1989
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Masaki Kawamura
  • 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: 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
  • 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
  • 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
  • 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 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
  • Electronic calculator
    Patent number: D350148
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: August 30, 1994
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Makiko Yoshimura