Patents by Inventor Kenji Muramoto

Kenji Muramoto 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: 6507397
    Abstract: An automatic color-tone test device comprises: a measurement cell 4 to which there are communication-connected dye liquor introduction tubes 16, 18 for passing through a controlling dye liquor that is a measurement object and dye liquor discharge tubes 17, 19; a spectrophotometer adapted such that a light transmission distance in the measurement cell 4 can be variably set in compliance with a concentration level of the controlling dye liquor that is a measurement object; and a statistical test computer section for operation-judging whether or not concentration and hue agree with desired values.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: January 14, 2003
    Assignee: Suminoe Textile Co., Ltd.
    Inventors: Shigenori Nishio, Masao Kawakami, Hiroshi Kimura, Kenji Muramoto