Patents by Inventor Yutaka Aizawa

Yutaka Aizawa 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).

  • Film antenna apparatus
    Patent number: 4987424
    Abstract: An antenna apparatus in which flexible antennas made of a conductive material are formed on a flexible insulating sheet. An insulating film made of a synthetic resin material is used as the insulating sheet, and the antennas are formed by adhering a metal foil on the insulating sheet or by depositing a metal film on the insulating sheet.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: January 22, 1991
    Assignee: Yagi Antenna Co., Ltd.
    Inventors: Kazuhiko Tamura, Atsushi Sato, Yutaka Aizawa, Yoshiyuki Suzuki
  • Television receiving antenna
    Patent number: D295517
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: May 3, 1988
    Assignee: Yagi Antenna Co., Ltd.
    Inventors: Atsuo Moriyama, Yutaka Aizawa
  • Television receiving antenna
    Patent number: D308972
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: July 3, 1990
    Assignee: Yagi Antenna Co., Ltd.
    Inventors: Atsuo Moriyama, Yutaka Aizawa, Kazuhiko Tamura