Patents by Inventor Kayoko Kato

Kayoko Kato 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).

  • Clock
    Patent number: D312790
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: December 11, 1990
    Assignee: Seikosha Co., Ltd.
    Inventor: Kayoko Kato
  • Pendulum for a clock
    Patent number: D312798
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: December 11, 1990
    Assignee: Seikosha Co., Ltd.
    Inventor: Kayoko Kato
  • Clock
    Patent number: D316046
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: April 9, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Kayoko Kato
  • Clock
    Patent number: D316049
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: April 9, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Kayoko Kato
  • Clock
    Patent number: D319023
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: August 13, 1991
    Assignee: Seikosha Co., Ltd.
    Inventors: Kayoko Kato, Masumi Mukoyama
  • Clock
    Patent number: D319397
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: August 27, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Kayoko Kato
  • Clock
    Patent number: D324179
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: February 25, 1992
    Assignee: Seikosha Co., Ltd.
    Inventors: Masumi Mukoyama, Kayoko Kato
  • Clock
    Patent number: D330335
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: October 20, 1992
    Assignee: Seikosha Co., Ltd.
    Inventors: Kayoko Kato, Seiji Odaka