Patents by Inventor Satoru Ashiyahara

Satoru Ashiyahara 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).

  • Cement composition
    Patent number: 5733367
    Abstract: A cement composition comprising a cement base and hemicellulose. The cement composition produces reduced efforescence and less bleeding. Self-leveling materials containing the cement composition also produce reduced efforescence and less bleeding and exhibit improved surface adhesion strength.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: March 31, 1998
    Assignee: Fuji Oil Company, Limited
    Inventors: Koichi Soeda, Katsuo Hosono, Hiroshi Hayashi, Kazuo Yamada, Makoto Matsuhisa, Satoru Ashiyahara, Hirokazu Maeda, Hitoshi Furuta, Mitsuo Hattori