Patents by Inventor Kohzo Kitagawa

Kohzo Kitagawa 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).

  • Lighting equipment with a solar cell
    Patent number: 4486820
    Abstract: A lighting equipment adapted for outdoor location, the equipment being supported on a structure on which a solar cell is placed to charge up a battery for lighting a lamp, wherein the battery and the lamp are provided in the structure, the lamp being lit from the sunset up to the expiry of a predetermined period of time.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: December 4, 1984
    Assignee: Kyoto Ceramic Company Limited
    Inventors: Yasushi Baba, Hirofumi Tezuka, Kohzo Kitagawa