Patents by Inventor Katsushi Kunitou

Katsushi Kunitou 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).

  • Process for making pattern on dyed fabric and dyed fabric obtained by the process
    Patent number: 6682571
    Abstract: A process for making a pattern according to intended design on cloth or clothing, particularly denim clothing, dyed with a colorant or a dye through decolorizing is provided. Fabric or clothing dyed with a colorant or a dye is impregnated with a substance forming an oxidized active species upon electrolysis and inserted between a pair of electrodes, and electricity is applied to the electrodes, whereby only a part where electricity is applied is selectively decolorized to make a pattern with gradated effect.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: January 27, 2004
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Katsushi Kunitou, Setsuaki Hongyou, Shingo Maeda, Kazuhiro Sayama, Hironori Arakawa
  • Process for making pattern on dyed fabric and dyed fabric obtained by the process
    Publication number: 20020120990
    Abstract: A process for making a pattern according to intended design on cloth or clothing, particularly denim clothing, dyed with a colorant or a dye through decolorizing is provided. Fabric or clothing dyed with a colorant or a dye is impregnated with a substance forming an oxidized active species upon electrolysis and inserted between a pair of electrodes, and electricity is applied to the electrodes, whereby only a part where electricity is applied is selectively decolorized to make a pattern with gradated effect.
    Type: Application
    Filed: December 20, 2001
    Publication date: September 5, 2002
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Katsushi Kunitou, Setsuaki Hongyou, Shingo Maeda, Kazuhiro Sayama, Hironori Arakawa