Patents by Inventor Kenji Ariyasu

Kenji Ariyasu 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).

  • Method for pressure measurement
    Patent number: 4142404
    Abstract: A method for measuring pressures which comprises allowing a material whose pressure is to be measured to press against a recording sheet to form a color image due to the pressure, and evaluating the changes in the optical color density of the color hue of the resulting color image on the recording sheet, the color image formation due to the pressure being effected by contacting a synthetic polymer microcapsule layer containing a color former with a color developer layer under pressure, said microcapsule layer and said color developer layer being coated on the same surface of the support.
    Type: Grant
    Filed: October 5, 1976
    Date of Patent: March 6, 1979
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Ogata, Kenji Ariyasu
  • Method for pressure measurement
    Patent number: 4003245
    Abstract: A method for measuring pressures which comprises allowing a material whose pressure is to be measured to press against a recording sheet to form a color image due to the pressure, and evaluating the changes in the optical color density of the color hue of the resulting color image on the recording sheet, the color image formation due to the pressure being effected by contacting a microcapsule layer containing a color former with a color developer layer under pressure.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: January 18, 1977
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiro Ogata, Kenji Ariyasu