Patents by Inventor Isao Ajiro

Isao Ajiro 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: 6788623
    Abstract: To provide a wrist watch having a small rim width while ensuring the strength of a glass rim. A movement with hands and a dial plate is assembled into a barrel from a side of a glass rim. A water-proof packing is arranged between a glass rim and the barrel. Machine screws are mounted inside the water-proof packing to fix the barrel and the glass rim together.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: September 7, 2004
    Assignee: Seiko Instruments Inc.
    Inventors: Haruki Hiranuma, Isao Ajiro, Nobukazu Oomori
  • Publication number: 20020080688
    Abstract: To provide a wrist watch having a small rim width while ensuring the strength of a glass rim. A movement with hands and a dial plate is assembled into a barrel from a side of a glass rim. A water-proof packing is arranged between a glass rim and the barrel. Machine screws are mounted inside the water-proof packing to fix the barrel and the glass rim together.
    Type: Application
    Filed: November 30, 2001
    Publication date: June 27, 2002
    Inventors: Haruki Hiranuma, Isao Ajiro, Nobukazu Oomori