Patents by Inventor Tsuyoshi Isojima

Tsuyoshi Isojima 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).

  • Mercury emitting structure
    Patent number: 4107565
    Abstract: A mercury emitting structure with an annular receptacle having a groove at the upper end, in which a face-centered cubic lattice type intermetallic compound consisting mainly of yttrium, nickel and mercury is filled.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: August 15, 1978
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Tsuyoshi Isojima, Kenji Enokida, Hideharu Nihei, Wataru Ichise