Patents by Inventor Shigeru Fujisawa

Shigeru Fujisawa 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).

  • Locking device for substrate sockets
    Patent number: 6192557
    Abstract: The locking device of the present invention is provided to constantly and reliably maintain the locked state even under severe environments of use, such as an application of an excessive amount of impact force, for example, and to drastically improve reliability.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: February 27, 2001
    Assignee: Robinson Nugent, Inc.
    Inventor: Shigeru Fujisawa