Patents by Inventor Masaaki Ishikawaa

Masaaki Ishikawaa 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).

  • Headlamp device for vehicle
    Patent number: 6874918
    Abstract: A headlamp device for a vehicle includes a first light distribution controlling portion moving light irradiated forward from a light source in a lateral direction of the vehicle, and a second light distribution controlling portion moving the light irradiated forward from the light source in a vertical direction of the vehicle. A light distribution is controlled in response to a signal sent from the first light distribution controlling portion to the second light distribution controlling portion.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: April 5, 2005
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Yuki Tawa, Masaaki Ishikawaa, Toshihisa Hayami, Atsushi Sugimoto, Hideki Uchida