Patents by Inventor Masakazu Nezuka

Masakazu Nezuka 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).

  • Switch device
    Patent number: 4894634
    Abstract: A thermostatic switch is shown in which a movable arm mounting a movable contact and a snap acting thermostatic strip disc are cantilever mounted with the disc adapted to cause the movable contact to move out of engagement with a stationary contact at a selected calibration temperature by engaging the movable arm and moving it and concomitantly the movable contact away from the stationary contact when the disc snaps to its opposite surface configuration.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: January 16, 1990
    Assignee: Texas Instruments Incorporated
    Inventors: Masakazu Nezuka, Yuji Saito, Yasuhiro Sato
  • Switch for circuit breaker
    Patent number: 4876523
    Abstract: A switch is shown having a thermostatic member which deforms in response to variations in temperature to thereby control the state of energization of the switch. The thermostatic member is shown cantilever mounted or centrally mounted using material to affix the member to a support which melts at a selected temperature to cause the member to separate from the support upon the occurrence of selected conditions.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: October 24, 1989
    Assignee: Texas Instruments Incorporated
    Inventors: Osami Kushida, Hisamitsu Ninomiya, Masakazu Nezuka, Yoshihiko Ishikawa