Patents by Inventor Isao Yoshinaka

Isao Yoshinaka 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).

  • Tool box
    Patent number: D463120
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: September 24, 2002
    Assignee: Hiromori Inc.
    Inventor: Isao Yoshinaka
  • Clock
    Patent number: D466417
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: December 3, 2002
    Assignee: Hiromori Inc.
    Inventor: Isao Yoshinaka
  • Television set
    Patent number: D342501
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: December 21, 1993
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Taisuke Saeki, Harumi Sakamoto, Fumitoshi Sakata, Isao Yoshinaka
  • Video projector
    Patent number: D343850
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: February 1, 1994
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Taisuke Saeki, Harumi Sakamoto, Sakata Fumitoshi, Isao Yoshinaka
  • Video projector
    Patent number: D356103
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: March 7, 1995
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Taisuke Saeki, Harumi Sakamoto, Isao Yoshinaka