Patents by Inventor Toshimichi Yoshikawa

Toshimichi Yoshikawa 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).

  • Patent number: 5367278
    Abstract: A magnet holding structure comprising a magnet holder for holding a permanent magnet and a mounting frame formed integrally with a container such as a plastic basket for holding the magnet holder, the mounting frame including at least one pair of projecting walls having an engaging pawl on each of opposed inner surfaces thereof and the magnet holder having engaging projections corresponding to the engaging pawls, the interval of the engaging projections being slightly larger than the interval of the engaging pawls.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: November 22, 1994
    Assignee: Kabushiki Kaisha Yoshikawakun Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D302066
    Type: Grant
    Filed: September 23, 1986
    Date of Patent: July 4, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D302069
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 4, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D303444
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: September 12, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305174
    Type: Grant
    Filed: July 9, 1986
    Date of Patent: December 19, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305271
    Type: Grant
    Filed: July 9, 1986
    Date of Patent: December 26, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305273
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: December 26, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305274
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: December 26, 1989
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305470
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: January 9, 1990
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305471
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: January 9, 1990
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305472
    Type: Grant
    Filed: September 23, 1986
    Date of Patent: January 9, 1990
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D305473
    Type: Grant
    Filed: September 23, 1986
    Date of Patent: January 9, 1990
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D307348
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: April 17, 1990
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D347512
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: May 31, 1994
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D347513
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: May 31, 1994
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D347514
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: May 31, 1994
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D347921
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: June 14, 1994
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D348345
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: June 28, 1994
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D348346
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: June 28, 1994
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa
  • Patent number: D359987
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: July 4, 1995
    Assignee: Kabushiki Kaisha Yoshikawa Kuni Kogyosho
    Inventor: Toshimichi Yoshikawa