Patents by Inventor Kiyoshi Masamune

Kiyoshi Masamune 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).

  • Aqueous resin composition
    Patent number: 6541541
    Abstract: An aqueous resin composition comprising a polyepoxy compound represented by formula (I): wherein n represents a number of from 0.1 to 20; Z represents a single bond, an alkylidene group having 1 to 4 carbon atoms or a sulfone group; and X represents a hydrogen atom or a glycidyl group, provided that at least 10% of nX's represent a glycidyl group, and water.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: April 1, 2003
    Assignee: Asahi Denka Kogyo Kabushiki Kaisha
    Inventors: Kiyoshi Masamune, Naohiro Fujita, Ryo Ogawa, Koji Akimoto
  • Aqueous resin composition
    Publication number: 20020061941
    Abstract: An aqueous resin composition comprising a polyepoxy compound represented by formula (I): 1
    Type: Application
    Filed: September 18, 2001
    Publication date: May 23, 2002
    Applicant: Asahi Denka Kogyo Kabushiki Kaisha
    Inventors: Kiyoshi Masamune, Naohiro Fujita, Ryo Ogawa, Koji Akimoto