Patents by Inventor Norihito Yamane

Norihito Yamane 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).

  • High precision and compact contact switch
    Patent number: 4681994
    Abstract: A high precision and compact contact switch which comprises a housing, a pair of fixed contact elements fixedly supported within the housing, a plunger axially slidably extending into the housing, a generally cylindrical movable contact member, a support piece for the support of the fixed contact elements and a biasing spring. The generally cylindrical movable contact member is tiltably carried by the plunger so as to extend transversely in relation to the plunger. The support piece is preferably made out of synthetic resin. The biasing spring is used for urging the opposite end portions of the movable contact member in order to contact the respective fixed contact elements.
    Type: Grant
    Filed: November 7, 1985
    Date of Patent: July 21, 1987
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Kunio Nagata, Tatsuo Aoi, Norio Iwakiri, Hiroshi Osumi, Nobuyuki Ogata, Norihito Yamane
  • Limit switch utilizing an improved actuator
    Patent number: 4168408
    Abstract: A limit switch comprising a switch enclosure, a snap action switch, and an operating head. An actuator slidably mounted in the operating head is provided with a wing which prevents the rotation of the actuator.
    Type: Grant
    Filed: December 2, 1977
    Date of Patent: September 18, 1979
    Assignee: Omron Tateisi Electronics Company
    Inventor: Norihito Yamane