Patents by Inventor Kazuyuki Oki

Kazuyuki Oki 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 lock
    Patent number: 4655061
    Abstract: An improved clock lock of the type using an electronic timer circuit as clock mechanism is disclosed. A locking member is actuated toward the unlocked state in response to unlocking signal generated by the electronic timer circuit.
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: April 7, 1987
    Assignee: Kumahira Safe Co., Inc.
    Inventors: Makoto Nishikawa, Takeo Inada, Hiroaki Tomoda, Eiro Naruto, Kazuyuki Oki, Kouichi Hirano