Patents by Inventor Nobuyoshi Kanezawa

Nobuyoshi Kanezawa 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).

  • Waterproof switch
    Patent number: 4876422
    Abstract: A waterproof switch includes a switch mechanism having an operation portion, a plurality of leads, each lead having an essentially circular outer periphery, connected to said switch mechanism and a waterproof housing having an external shape which substantially corresponds to that of the switch.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: October 24, 1989
    Assignee: Uchiya Termostat Co.
    Inventor: Nobuyoshi Kanezawa