Patents by Inventor Katsuhito Watanabe

Katsuhito Watanabe 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: D317762
    Type: Grant
    Filed: February 13, 1990
    Date of Patent: June 25, 1991
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D320022
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: September 17, 1991
    Assignee: Oki Electric Industry, Co., Ltd.
    Inventors: Katsuhito Watanabe, Masami Suda
  • Patent number: D322061
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: December 3, 1991
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D325908
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: May 5, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Naoko Seki, Katsuhito Watanabe, Eriko Ino
  • Patent number: D326450
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: May 26, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D327070
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: June 16, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D328056
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: July 21, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Katsuhito Watanabe, Naoko Seki
  • Patent number: D328068
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: July 21, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D328450
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: August 4, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Katsuhito Watanabe, Naoko Seki
  • Patent number: D329040
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: September 1, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Naoko Seki, Katsuhito Watanabe
  • Patent number: D330693
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: November 3, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Katsuhito Watanabe, Naoko Seki, Eriko Ino
  • Patent number: D332449
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: January 12, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D335877
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: May 25, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Katsuhito Watanabe, Seki Naoko, Eriko Ino
  • Patent number: D337764
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: July 27, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Michael Paton, Chusei Takahashi, Katsuhito Watanabe
  • Patent number: D338461
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: August 17, 1993
    Assignee: OKI Electric Industry Co., Ltd.
    Inventors: Michael Paton, Chusei Takahashi, Katsuhito Watanabe
  • Patent number: D339322
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: September 14, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Naoko Seki, Katsuhito Watanabe
  • Patent number: D352707
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: November 22, 1994
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Eriko Ino, Katsuhito Watanabe
  • Patent number: D355183
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: February 7, 1995
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Eriko Ino, Katsuhito Watanabe
  • Patent number: D355185
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: February 7, 1995
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Katsuhito Watanabe
  • Patent number: D363280
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: October 17, 1995
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Katsuhito Watanabe, Eriko Ino