Patents by Inventor Keizo Kushida

Keizo Kushida 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: D244227
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: May 3, 1977
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Keizo Kushida
  • Patent number: D247493
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: March 14, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Keizo Kushida, Shinzo Murakami, Masanori Hamada, Benito Mishiro
  • Patent number: D249682
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: September 26, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Keizo Kushida, Kikuo Ohta, Munenori Fujimoto, Toshio Igo
  • Patent number: D251429
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: March 27, 1979
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuhiko Makino, Keizo Kushida, Kenzo Ishise, Benito Mishiro
  • Patent number: D252203
    Type: Grant
    Filed: June 22, 1976
    Date of Patent: June 26, 1979
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Benito Mishiro, Keizo Kushida, Katsuhiko Makino
  • Patent number: D259785
    Type: Grant
    Filed: September 27, 1978
    Date of Patent: July 7, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Keizo Kushida, Toshio Igo, Munenori Fujimoto, Kunio Hoshino, Satoru Usami, Kazumasa Takenaka, Kikuo Ohta, Benito Mishiro
  • Patent number: D266166
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: September 14, 1982
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masanori Hamada, Keizo Kushida, Kikuo Ohta