Patents by Inventor Sachio Yamamoto

Sachio Yamamoto 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).

  • Combined monitor and electronic still camera
    Patent number: D439262
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: March 20, 2001
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Sachio Yamamoto, Hiroshi Ohi, Katsunori Kume
  • Vacuum cleaner
    Patent number: D270298
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: August 23, 1983
    Assignee: Sharp Corporation
    Inventors: Isao Ayukawa, Sachio Yamamoto, Akira Tsukada
  • Vacuum cleaner
    Patent number: D270390
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: August 30, 1983
    Assignee: Sharp Corporation
    Inventors: Isao Ayukawa, Sachio Yamamoto, Akira Tsukada
  • Vacuum cleaner
    Patent number: D284319
    Type: Grant
    Filed: October 27, 1983
    Date of Patent: June 17, 1986
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Akira Tsukada
  • Vacuum cleaner
    Patent number: D285734
    Type: Grant
    Filed: March 1, 1984
    Date of Patent: September 16, 1986
    Assignee: Sharp Corporation
    Inventors: Kenichi Haruguchi, Sachio Yamamoto, Akira Tsukata
  • Vacuum cleaner
    Patent number: D292832
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: November 17, 1987
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Akira Tsukada
  • Vacuum cleaner
    Patent number: D296944
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: July 26, 1988
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya
  • Vacuum cleaner nozzle
    Patent number: D298876
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: December 6, 1988
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya
  • Vacuum cleaner
    Patent number: D300379
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: March 21, 1989
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya
  • Vacuum cleaner
    Patent number: D301646
    Type: Grant
    Filed: June 10, 1986
    Date of Patent: June 13, 1989
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya
  • Vacuum cleaner
    Patent number: D301649
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: June 13, 1989
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya
  • Portable vacuum cleaner
    Patent number: D303025
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: August 22, 1989
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya, Mika Nakajima
  • Vacuum cleaner
    Patent number: D305373
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: January 2, 1990
    Assignee: Sharp Corporation
    Inventors: Sachio Yamamoto, Chikashi Kuriya
  • Spray gun
    Patent number: D945564
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 8, 2022
    Assignee: MEIJI AIR COMPRESSOR MFG. CO., LTD.
    Inventor: Sachio Yamamoto