Patents by Inventor Tetsurou Motooka

Tetsurou Motooka 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).

  • Patent number: 5075373
    Abstract: A water retention material with water-absorbency which comprises finely divided particles of water-absorbent resin having a water absorption capacity of 2 to 50-fold and a particle size of or finer and a hydrophobic material such as a thermoplastic resin, elastomer, sealant, paint or adhesive.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: December 24, 1991
    Assignee: Seitetsu Kagaku Co., Ltd.
    Inventors: Shinichi Takemori, Shigeji Obayashi, Morio Nakamura, Kosaku Yamada, Tetsurou Motooka