Patents by Inventor Tsutomu Shonohara

Tsutomu Shonohara 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).

  • Device for fixing lower members and fluid control apparatus incorporating same
    Patent number: 5979944
    Abstract: Lower members each have a bolt bore comprising a large-diameter portion larger than the head of a bolt in diameter, and a small diameter portion extending downward from the large-diameter portion with a stepped portion formed therebetween and having a diameter intermediate between the diameter of the bolt head and the diameter of the shank of the bolt. The small-diameter portion of the bolt bore has fitted therein a hollow cylindrical spacer with an inside diameter larger than the diameter of the bolt shank. The spacer has a lower end supported by a support member and an upper end positioned in the large-diameter portion. A hollow cylindrical elastic member is interposed between the bolt head and the stepped portion for biasing the lower member toward the support member.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: November 9, 1999
    Assignee: Fujikin Incorporated
    Inventors: Kosuke Yokoyama, Tsutomu Shonohara, Shigeru Itoi, Michio Yamaji, Tetsuya Kojima