Patents by Inventor Akishige Sai

Akishige Sai 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).

  • Projection television receiver
    Patent number: D277577
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: February 12, 1985
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tadashi Sumino, Toshihiro Iyama, Yutaka Kono, Akishige Sai, Fumioki Ichihara
  • Optical disc player
    Patent number: D289154
    Type: Grant
    Filed: September 27, 1984
    Date of Patent: April 7, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kuniyuki Kawamoto, Yutaka Kono, Akishige Sai
  • Television receiver
    Patent number: D291441
    Type: Grant
    Filed: January 16, 1985
    Date of Patent: August 18, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroaki Nishiyori, Nobuo Momota, Masao Yoshikawa, Akishige Sai, Kazutoshi Masunari
  • Portable laptop computer
    Patent number: D316852
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: May 14, 1991
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akishige Sai, Benito Mishiro
  • Copying machine
    Patent number: D328095
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: July 21, 1992
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinichi Sugihara, Akishige Sai, Shigeo Hiraoka, Kunio Yamada, Eiji Fujita, Masahiko Moriwaki
  • Sorter for a copying machine
    Patent number: D329454
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: September 15, 1992
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinichi Sugihara, Akishige Sai, Shigeo Hiraoka, Kunio Yamada, Eiji Fujita, Masahiko Moriwaki
  • Document feeder for a copying machine
    Patent number: D329455
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: September 15, 1992
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinichi Sugihara, Akishige Sai, Shigeo Hiraoka, Kunio Yamada, Eiji Fujita, Masahiko Moriwaki
  • Copying machine
    Patent number: D339370
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: September 14, 1993
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinichi Sugihara, Eiji Fujita, Akishige Sai, Masahiko Moriwaki, Shigeo Hiraoka, Kunio Yamada, Yoko Yamazaki