Patents by Inventor Mariko Warashina

Mariko Warashina 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).

  • Vehicle lamp with protective film and method for making same
    Patent number: 6179456
    Abstract: A lamp for use in adverse conditions such as in a headlamp for a vehicle includes a coating for preventing mist, condensation or other haze from forming on a front lens and/or for preventing discoloration of the front lens caused by UV light emitted from a light source. The lamp has a discharge-lamp bulb serving as the light source, the discharge-lamp bulb being disposed in the lamp chamber. The lamp chamber can be defined by the lamp body and the front lens. The coating can comprise an anti-haze/UV film that is prepared by mixing a UV absorbing material with an anti-haze material.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: January 30, 2001
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Koichi Nakamura, Hidetaka Anma, Shinji Aikawa, Mariko Warashina