Patents by Inventor Norihide Hosoda

Norihide Hosoda 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).

  • Cryogenic impact testing method and machine
    Patent number: 4405243
    Abstract: A cryogenic impact testing method of Charpy's and falling weight types which can test a test piece without substantially exposing the test piece with the atmospheric air under the same test piece cooling space, temperature controlling space and impact testing space, and a cryogenic impact testing machine of Charpy's and falling weight types which can execute suitably the above method. Thus, the stable temperature of the test piece can be obtained at the time of testing with highly reliable measured result.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: September 20, 1983
    Assignee: Hoxan Corporation
    Inventors: Yasuo Kuraoka, Norihide Hosoda