Patents by Inventor Kaname Atsumi

Kaname Atsumi 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: 6434798
    Abstract: There is provided a pair of open plates 3 rotatably connected to both ends of a base 1 and adapted to be oppositely opened from closed positions. The open plates are held at the closed position by holding means 5, 6. Stopping means 15, 16 are provided for stopping the open plates halfway of an opening operation.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: August 20, 2002
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Jindai Yamakawa, Kaname Atsumi
  • Patent number: D286269
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: October 21, 1986
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Jiro Matsuo, Kaname Atsumi
  • Patent number: D338163
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: August 10, 1993
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Kaname Atsumi, Kazuo Nagata