Patents by Inventor Sumio Yoshimura

Sumio Yoshimura 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).

  • Patent number: 4354078
    Abstract: The present invention discloses an illuminating type push button switch using a lamp and microswitches secured adjacent to each other on a bottom plate of a casing to shorten the depth of the illuminating push button switch. ON-OFF control of the microswitches is carried out by a push member supported on the casing so as to be movable heightwise relative to the casing, thereby providing rigidity as well as good strength and rendering positive switching operation of the switch possible.
    Type: Grant
    Filed: November 25, 1980
    Date of Patent: October 12, 1982
    Assignee: Sun Dengyosha Company, Limited
    Inventor: Sumio Yoshimura
  • Patent number: 4354079
    Abstract: The present invention discloses an illuminating type push button switch using a light emitting diode wherein a casing encasing a switch mechanism has a push member supported thereon so as to always effect parallel movement in a vertical direction to ON-OFF control said switch mechanism, and a light emitting diode having each terminal connected to an external terminal through a spring is mounted on the push member, thereby rendering miniaturization of the switch possible, providing rigidity as well as good strength and rendering positive switching operation of the switch possible.
    Type: Grant
    Filed: November 25, 1980
    Date of Patent: October 12, 1982
    Assignee: Sun Dengyosha Company, Limited
    Inventor: Sumio Yoshimura