Patents by Inventor Hideaki Uchiyama

Hideaki Uchiyama 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: 4180970
    Abstract: A wristwatch having a sound-emitting device or alarm therein includes a watch case, a cover glass and a case back. The sound-emitting device is mounted in the watch case from the back side in a mounting opening formed in the watch case. The watch case is formed with a sound-emitting aperture on the top surface over at least a portion of the mounting opening of smaller size than the mounting opening.
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: January 1, 1980
    Assignee: Kabushiki Kaisha Suwa Seikosha
    Inventors: Ikuo Tokunaga, Hideaki Uchiyama, Yoshiaki Fujimori
  • Patent number: 3939646
    Abstract: A water-tight watch case having an inorganic glass crystal to which a layer of transparent or semi-transparent water-absorptive material is applied to a central region of the inner surface thereof to leave a bare peripheral region at which the crystal is hermetically sealed to the case.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: February 24, 1976
    Assignee: Kabushiki Kaisha Suwa Seikosha
    Inventor: Hideaki Uchiyama