Patents by Inventor Sinichi Fujino

Sinichi Fujino 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).

  • Polyacrylic acid-type water absorbent resin and method for producing same
    Patent number: 9315640
    Abstract: Provided is a method for producing a water absorbent resin, which promotes the formation of interconnected voids (continuous gas bubbles) in a foamed polymer (foam-like water absorbent resin) by a more convenient method, and produces with high efficiency a water absorbent resin which exhibits a high water absorption rate even when stepped into a sheet form or a powder form in hygiene articles and the like.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: April 19, 2016
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Toshihiro Takaai, Hidenori Wada, Sinichi Fujino
  • POLYACRYLIC ACID-TYPE WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAME
    Publication number: 20150259494
    Abstract: Provided is a method for producing a water absorbent resin, which promotes the formation of interconnected voids (continuous gas bubbles) in a foamed polymer (foam-like water absorbent resin) by a more convenient method, and produces with high efficiency a water absorbent resin which exhibits a high water absorption rate even when stepped into a sheet form or a powder form in hygiene articles and the like.
    Type: Application
    Filed: May 27, 2015
    Publication date: September 17, 2015
    Inventors: Toshihiro Takaai, Hidenori Wada, Sinichi Fujino