Patents by Inventor Isao Kitai

Isao Kitai 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 calculating machine
    Patent number: D245341
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: August 9, 1977
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Cash register
    Patent number: D245809
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: September 13, 1977
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Electrophotographical duplicator
    Patent number: D248957
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: August 15, 1978
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Isao Kitai, Matafumi Ikeda, Tsutomu Yamazaki
  • Electronic hemadynamometer
    Patent number: D254806
    Type: Grant
    Filed: May 16, 1978
    Date of Patent: April 22, 1980
    Assignee: Sharp Kabushiki Kaisha (Sharp Corp.)
    Inventors: Isao Kitai, Tsutomu Yamasaki
  • Electronic calculating machine
    Patent number: D256694
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Electronic calculating machine
    Patent number: D256698
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Electronic calculating machine
    Patent number: D256699
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Electrophotographical duplicator
    Patent number: D257984
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: January 20, 1981
    Assignee: Sharp Kabushiki Kaisha (Sharp Corporation)
    Inventors: Shigeru Kurozumi, Isao Kitai
  • Electronic calculating machine
    Patent number: D258891
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventors: Isao Kitai, Matafumi Ikeda
  • Electronic calculating machine
    Patent number: D258894
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventor: Isao Kitai
  • Low frequency power supply for medical treatment apparatus
    Patent number: D259737
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: June 30, 1981
    Assignee: Sharp Corporation
    Inventors: Isao Kitai, Tsutomu Yamasaki
  • Information input and output machine
    Patent number: D265314
    Type: Grant
    Filed: January 9, 1980
    Date of Patent: July 6, 1982
    Assignee: Sharp Corporation
    Inventor: Isao Kitai
  • Printer for association with computer
    Patent number: D276342
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: November 13, 1984
    Assignee: Sharp Corporation
    Inventor: Isao Kitai
  • Computer
    Patent number: D278060
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: March 19, 1985
    Assignee: Sharp Corporation
    Inventor: Isao Kitai
  • Electronic calculator
    Patent number: D279688
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: July 16, 1985
    Assignee: Sharp Corporation
    Inventors: Isao Kitai, Mitsuo Yokoi
  • Calculator
    Patent number: D281172
    Type: Grant
    Filed: January 14, 1983
    Date of Patent: October 29, 1985
    Assignee: Sharp Corporation
    Inventors: Isao Kitai, Kazuo Yamada
  • Bread baking machine
    Patent number: D310615
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: September 18, 1990
    Assignee: Sharp Corporation
    Inventors: Isao Kitai, Kenichi Matsuda, Mikio Ogasawara