Patents by Inventor Shuuichi Horiguchi

Shuuichi Horiguchi 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).

  • Zoom lens for video camera
    Patent number: 5191478
    Abstract: A zoom lens for a video camera includes a focusing mechanism which is designed to prevent a picked-up image from shaking when the focusing mechanism is operated manually or electrically. In the focusing mechanism, a female helicoid is threadedly fitted on a male helicoid, and a female helicoid holder supports the female helicoid from a lower side of the female helicoid to maintain a proper threaded engagement between the female helicoid and the male helicoid. The female helicoid holder is provided at a lower side of the male helicoid.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: March 2, 1993
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shuuichi Horiguchi, Osamu Uchida