Patents by Inventor Shunichiro Kuromatsu

Shunichiro Kuromatsu 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).

  • Water setting paper
    Patent number: 4846932
    Abstract: Water setting paper (high water-absorbency material) comprised of pulp fiber, water-soluble resin and high wate-absorbency resin is produced in sheet form for use in urine containers or portable toilets. Water setting paper or the high water-absorbency sheet thus formed absorbs and solidifies the urine, allowing the urine to be disposed of easily, rapidly and hygienically.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: July 11, 1989
    Assignee: Kuromatsu Corporation Co., Ltd.
    Inventors: Takeshi Karita, Yoshiro Saito, Shunichiro Kuromatsu