Patents by Inventor Masatsugu KAJIWARA

Masatsugu KAJIWARA 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).

  • Method of detecting lift amount of valve
    Patent number: 10107611
    Abstract: According to a method of detecting a lift amount of a valve, an area-increasing jig is attached to an upper surface of a retainer attached to the valve. The area-increasing jig has a larger width than a width of the upper surface of the retainer. Then a lift amount of the valve is detected by measuring a distance to the area-increasing jig by using a non-contact sensor disposed above the retainer.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: October 23, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shoichi Ishigaki, Masatsugu Kajiwara
  • METHOD OF DETECTING LIFT AMOUNT OF VALVE
    Publication number: 20170254635
    Abstract: According to a method of detecting a lift amount of a valve, an area-increasing jig is attached to an upper surface of a retainer attached to the valve. The area-increasing jig has a larger width than a width of the upper surface of the retainer. Then a lift amount of the valve is detected by measuring a distance to the area-increasing jig by using a non-contact sensor disposed above the retainer.
    Type: Application
    Filed: February 23, 2017
    Publication date: September 7, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shoichi ISHIGAKI, Masatsugu KAJIWARA