Patents by Inventor Seiichi Sakakibara

Seiichi Sakakibara 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).

  • Vacuum cleaner
    Patent number: D261266
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: October 13, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshihiko Yoshida, Masakazu Tatsumi, Seiichi Sakakibara, Toshiki Kubo, Tsugio Akita, Yoshiaki Ueda
  • Oil heater
    Patent number: D276067
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: October 23, 1984
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Daisaku Mori, Seiichi Sakakibara
  • Watthour meter
    Patent number: D430499
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: September 5, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Seiichi Sakakibara, Kenshichiro Mishima