Patents by Inventor Ron Usami

Ron Usami 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).

  • Crystal growing cell
    Patent number: 5423287
    Abstract: Crystal growing cell including first and second casings. The first casing has a first solution chamber for containing a first solution therein. The first solution chamber has an opening. The second casing has a closing member placed therein for movement in a first direction and in a second direction opposite to the first direction. The second casing has a third casing placed therein. The third casing is fixed to the first casing around the opening to form a second solution chamber for containing a second solution therein. The closing member is moved in the first direction to close the opening so as to separate the first solution chamber from the second solution chamber. The closing member is moved in the second direction to open the opening so as to connect the first solution chamber to the second solution chamber.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: June 13, 1995
    Assignees: Nissan Motor Company, Ltd., National Space Development Agency of Japan
    Inventors: Ron Usami, Shunji Nagaoka, Tsutomu Udaka, Kazunori Kawasaki, Shoji Muramatsu