Patents by Inventor Muneori Iizuka

Muneori Iizuka 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).

  • Bonded magnet-forming composition and magnet roller using the same
    Patent number: 5908578
    Abstract: A bonded magnet featuring mechanical strength is obtained from a bonded magnet-forming composition comprising magnetic powder and a binder wherein the binder is based on highly crystalline polypropylene in one form or contains a modified polyolefin in another form. Also provided is a magnet roller comprising a magnet body (1) of bonded magnet configured into a roller shape and a shaft (2) associated therewith wherein at least the magnet body (1) is formed from the bonded magnet-forming composition.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: June 1, 1999
    Assignee: Bridgestone Corporation
    Inventors: Yoichi Nishimuro, Muneori Iizuka, Kunio Machida, Hideharu Daifuku