Patents by Inventor Toshio Igo

Toshio Igo 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: D243630
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: March 8, 1977
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tsutomu Murakami, Toshio Igo, Ken Kawamura, Katsuhiko Makino, Hironosuke Koda, Shinzo Murakami
  • Patent number: D245980
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: October 4, 1977
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshio Igo, Hironosuke Koda
  • Patent number: D247240
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: February 14, 1978
    Inventors: Masami Ueda, Benito Mishiro, Toshio Igo, Masanori Hamada
  • Patent number: D247494
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: March 14, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shuhei Taguchi, Toshio Igo
  • 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: D251297
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: March 13, 1979
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masami Ueda, Benito Mishiro, Toshio Igo, Masanori Hamada
  • Patent number: D254065
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: January 29, 1980
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kikuo Ohta, Toshio Igo, Satoru Usami
  • Patent number: D254070
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: January 29, 1980
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshio Igo, Kikuo Ohta
  • Patent number: D254303
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: February 26, 1980
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshio Igo, Kikuo Ohta, Tsutomu Murakami, Shuhei Taguchi
  • Patent number: D254304
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: February 26, 1980
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshio Igo
  • Patent number: D255900
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: July 15, 1980
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kikuo Ohta, Toshio Igo, Satoru Usami
  • 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: D260646
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: September 8, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshimasa Akazawa, Kikuo Ohta, Toshio Igo, Benito Mishiro
  • Patent number: D311395
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: October 16, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Toshio Igo
  • Patent number: D342494
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: December 21, 1993
    Assignee: Casio Computer Co., Ltd.
    Inventors: Atushi Shigemura, Toshio Igo
  • Patent number: D345755
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: April 5, 1994
    Assignee: Casio Computer Co., Ltd.
    Inventors: Toshio Igo, Yukihiko Ida, Kozo Hisanaga
  • Patent number: D348686
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: July 12, 1994
    Assignee: Casio Computer Co., Ltd.
    Inventors: Toshio Igo, Yukihiro Ida
  • Patent number: D350130
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: August 30, 1994
    Assignee: Casio Computer Co., Ltd.
    Inventors: Isamu Yoshitake, Toshio Igo
  • Patent number: D365093
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: December 12, 1995
    Assignee: Casio Computer Co., Ltd.
    Inventors: Akihiro Miyahara, Toshio Igo