Patents by Inventor Yosinori Hirata

Yosinori Hirata 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).

  • IC mounting/demounting system and a mounting/demounting head therefor
    Patent number: 5822847
    Abstract: The IC mounting/demounting system of the present invention makes it possible to adjust the interval between socket pushers 42 and 43 of mounting/demounting head 25 in accordance with the size of IC socket 1A. Therefore, it is unnecessary to replace mounting/demounting head 25 when changing types of IC's and therefore, the operation efficiency is greatly improved.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: October 20, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Isao Arakawa, Yosinori Hirata, Ryoichi Miyamoto