Patents by Inventor Noritaka Minakawa

Noritaka Minakawa 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).

  • Automotive headlamp
    Patent number: 9188303
    Abstract: An automotive headlamp includes: a light source; a movable shade configured to be movable between a first position shielding a part of light emitted from the light source and a second position having a different light shielding volume; a motor configured to generate a driving force to move the shade from the first position to the second position; and a stopper for high beam to fix the movable shade, which has been moved from the first position to the second position, at the second position. The motor is configured such that a motor phase is lag when the motor moves the movable shade to the second position by the driving force generated by supplied power and fixes the same, and an electric current is applied to the motor when the movable shade is fixed at the second position.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 17, 2015
    Assignees: Mabuchi Motor Co., Ltd., Koito Manufacturing Co., Ltd.
    Inventors: Hiroshi Yamazaki, Noritaka Minakawa, Shoichiro Yokoi
  • AUTOMOTIVE HEADLAMP
    Publication number: 20130258695
    Abstract: An automotive headlamp includes: a light source; a movable shade configured to be movable between a first position shielding a part of light emitted from the light source and a second position having a different light shielding volume; a motor configured to generate a driving force to move the shade from the first position to the second position; and a stopper for high beam to fix the movable shade, which has been moved from the first position to the second position, at the second position. The motor is configured such that a motor phase is lag when the motor moves the movable shade to the second position by the driving force generated by supplied power and fixes the same, and an electric current is applied to the motor when the movable shade is fixed at the second position.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 3, 2013
    Applicants: Koito Manufacturing Co., Ltd., MABUCHI MOTOR CO., LTD.
    Inventors: Hiroshi Yamazaki, Noritaka Minakawa, Shoichiro Yokoi