Patents by Inventor Toshiya Nagatuyu

Toshiya Nagatuyu 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).

  • Motorcycle headlight
    Patent number: 6309093
    Abstract: A light distribution screen is constructed of a main light distribution region including a main optical axis, a low light intensity region darker than an upper part of the main light distribution region, and high light intensity regions brighter than an upper region of the low intensity region. A corner can be brightly illuminated when the motorcycle is cornering, which means that the visibility of the corner can be improved and oncoming traffic is not dazzled when the motorcycle is travelling straight on.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: October 30, 2001
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Hajime Tabata, Toshiya Nagatuyu, Tetsuya Suzuki, Yosihisa Hirose
  • Motorcycle headlight
    Patent number: 5975732
    Abstract: A light distribution screen is constructed of a main light distribution region including a main optical axis, a low light intensity region darker than an upper part of the main light distribution region, and high light intensity regions brighter than an upper region of the low intensity region. A corner can be brightly illuminated when the motorcycle is cornering, which means that the visibility of the corner can be improved and oncoming traffic is not dazzled when the motorcycle is travelling straight on.
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: November 2, 1999
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Hajime Tabata, Toshiya Nagatuyu, Tetsuya Suzuki, Yosihisa Hirose