Patents by Inventor Yasuo Nihei

Yasuo Nihei 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).

  • Mount assembly of optical devices
    Patent number: 5274413
    Abstract: A mount assembly having mounts which are provided on optical devices to be detachably attached to each other and which have mount surfaces which come into contact with each other when the optical devices are attached to each other through the mounts, wherein at least one of the mounts includes in combination a mount body which is made of synthetic resin and which is provided with the mount surface and a reinforcing metal ring member.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: December 28, 1993
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Katsuhiko Nomura, Kenichi Sakata, Hiroaki Takagi, Misao Ishikawa, Yasuo Nihei