Patents by Inventor Katsumi Esaka

Katsumi Esaka 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).

  • Illumination device for license plate
    Patent number: 7163322
    Abstract: In an illumination device for license plate which illuminates the license plate from the front side thereof, at least one light source consist of a white LED is arranged at a position upward or obliquely upward of the license plate in such a manner that optical axes thereof traverse with a lower range than the center of the license plate, and a reflector is arranged at a position obliquely downward seen from an observer's side of the light source, receiving a light directing to the observer's side from a portion of a light emitted from the light source, and converting the light into a light irradiating the center or the lower part of the license plate. Further, a garnish for accommodating the light source and having a light transmitting part can be provided to the illumination device.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: January 16, 2007
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Yasumasa Tatewaki, Toshinori Takahashi, Yoshiharu Tanaka, Akihiro Misawa, Kazutoshi Ikeda, Takao Adachi, Katsumi Esaka, Tatsuya Oba
  • Illumination device for license plate
    Publication number: 20050094405
    Abstract: In an illumination device for license plate which illuminates the license plate from the front side thereof, at least one light source consist of a white LED is arranged at a position upward or obliquely upward of the license plate in such a manner that optical axes thereof traverse with a lower range than the center of the license plate, and a reflector is arranged at a position obliquely downward seen from an observer's side of the light source, receiving a light directing to the observer's side from a portion of a light emitted from the light source, and converting the light into a light irradiating the center or the lower part of the license plate. Further, a garnish for accommodating the light source and having a light transmitting part can be provided to the illumination device.
    Type: Application
    Filed: September 17, 2004
    Publication date: May 5, 2005
    Applicant: Toyoda Gosei Co., Ltd.
    Inventors: Yasumasa Tatewaki, Toshinori Takahashi, Yoshiharu Tanaka, Akihiro Misawa, Kazutoshi Ikeda, Takao Adachi, Katsumi Esaka, Tatsuya Oba