Patents by Inventor Tetsushi Yokoe

Tetsushi Yokoe 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).

  • Tearable membrane switch with resinous bounded silver-palladium alloy contacts
    Patent number: 5973283
    Abstract: A membrane switch having a pair of flexible printed boards and a pair of contacts respectively disposed on said printed boards. The contacts are formed of powdered alloy of silver and palladium bounded by resinous material, and a conductive layer of silver powder is disposed between the flexible printed board and the contact. Preferably, the powdered alloy contains 50-97 weight percent silver and palladium in the remainder of weight percent.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: October 26, 1999
    Assignees: Denso Corporation, Hokuriku Electric Industry Co., Ltd.
    Inventors: Katsuhiko Ariga, Masayasu Teraoka, Yoshimitsu Motoki, Tetsushi Yokoe, Ichirou Ishiyama