Patents by Inventor Masayoshi Tajima

Masayoshi Tajima 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).

  • Patent number: 6469622
    Abstract: An automobile lamp having a colorless and transparent light source, a housing whose front portion is an-aperture covered with a lens, wherein the housing has a color to be perceived as a uniform color of the automobile lamp when the light source is off, and reflecting portions arranged on the inner back surface of the housing such that they form a mesh or striped pattern when combined with the remaining portion of the inner back surface of the housing. Color uniformity of the automobile lamp when the automobile lamp is off is greatly improved. Furthermore, in spite of small proportion of the reflecting portions as compared with the conventional composition, the automobile lamp is able to emit light in sufficient quantity without any light source with high luminance accompanying high power consumption. There is also provided an automobile rear combination lamp having a turn signal lamp, a back-up lamp, and a stop lamp based on the automobile lamp disclosed herein.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: October 22, 2002
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Takayuki Komatsu, Tomoaki Seki, Masayoshi Tajima
  • Patent number: 4680680
    Abstract: A combination vehicle lamp device for motor vehicles, including a single housing having an outer lens. The housing is divided into plural chambers for effecting plural light indications. A central chamber located at the central portion of the housing is divided into small chambers by a wall having a Y-shaped section and a red-color lens, plural lamps being disposed in the small chambers respectively. Inclined lenses are provided for reflecting or refracting the light emitted from one of the plural lamps in the small chambers of the central chamber in the forward direction at both side chambers adjacent to the central chamber respectively, each of the inclined lenses being disposed in a slanted-relation to the optical axis in each of the side chambers.
    Type: Grant
    Filed: June 5, 1986
    Date of Patent: July 14, 1987
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Akihiro Iwaki, Masayoshi Tajima
  • Patent number: 4670823
    Abstract: This invention provides a vehicle lamp wherein an inner lens made of a heat-resistant resin film and having a Fresnel cut pattern is mounted in tight contact with an inner surface of an outer lens mounted on a front surface of the vehicle lamp.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: June 2, 1987
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Takeshi Kochi, Akihiro Iwaki, Masayoshi Tajima