Patents by Inventor Tetsumasa Imachi

Tetsumasa Imachi 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 headlamp
    Patent number: 6536920
    Abstract: A vehicle headlamp including a lamp body, a front cover that covers the front of the lamp body, a reflector disposed in the lamp body, a discharge bulb supported by the reflector, a lighting circuit assembly formed by housing a ballast circuit for lighting the discharge bulb and a starting circuit in a casing, and a power feeding connector connected to the lighting circuit assembly by a cord and removably coupled to the connector portion of the discharge bulb. A lighting circuit case that houses the lighting circuit assembly is integrally disposed on the lamp body with a connecting portion in between, the lighting circuit case is provided on the side of the lamp body, and the connecting portion is in a shape of a lateral U in vertical cross-section so as to allow the power feeding connector to pass through.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: March 25, 2003
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Tetsumasa Imachi, Masahiro Masuda, Tutomu Naito
  • Vehicle headlamp
    Publication number: 20020067617
    Abstract: A vehicle headlamp including a lamp body, a front cover that covers the front of the lamp body, a reflector disposed in the lamp body, a discharge bulb supported by the reflector, a lighting circuit assembly formed by housing a ballast circuit for lighting the discharge bulb and a starting circuit in a casing, and a power feeding connector connected to the lighting circuit assembly by a cord and removably coupled to the connector portion of the discharge bulb. A lighting circuit case that houses the lighting circuit assembly is integrally disposed on the lamp body with a connecting portion in between, the lighting circuit case is provided on the side of the lamp body, and the connecting portion is in a shape of a lateral U in vertical cross-section so as to allow the power feeding connector to pass through.
    Type: Application
    Filed: November 29, 2001
    Publication date: June 6, 2002
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Tetsumasa Imachi, Masahiro Masuda, Tutomu Naito