Patents by Inventor Shigefumi Kitagawa

Shigefumi Kitagawa 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).

  • Starter with overheat protection device
    Patent number: 7067934
    Abstract: A starter capable of reliably and safely cutting off or breaking a motor circuit when the motor circuit is subjected to an excessively large thermal load is disclosed. The motor circuit includes an intermediate member made of metal and electrically connected between a motor lead wire and a positive-side brush lead wire. The intermediate member has a fuse function that undergoes melting to cutoff the motor circuit when a thermal load excessively larger than that in normal use occurs in the motor circuit.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: June 27, 2006
    Assignee: Denso Corporation
    Inventors: Shigefumi Kitagawa, Tomohiro Ohmura, Hideo Tanaka
  • Starter with overheat protection device
    Publication number: 20050057046
    Abstract: A starter capable of reliably and safely cutting off or breaking a motor circuit when the motor circuit is subjected to an excessively large thermal load is disclosed. The motor circuit includes an intermediate member made of metal and electrically connected between a motor lead wire and a positive-side brush lead wire. The intermediate member has a fuse function that undergoes melting to cutoff the motor circuit when a thermal load excessively larger than that in normal use occurs in the motor circuit.
    Type: Application
    Filed: September 9, 2004
    Publication date: March 17, 2005
    Applicant: DENSO CORPORATION
    Inventors: Shigefumi Kitagawa, Tomohiro Ohmura, Hideo Tanaka