Patents by Inventor Haruhito Kazama

Haruhito Kazama 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 and apparatus for measuring optical properties of surface state of skin
    Patent number: 6070092
    Abstract: Light Lo is allowed to be applied on the skin S, the internal scattered light Li in the region from the surface of the skin S to the microcirculation system is detected preferably in at least three wavelength regions of 400 to nm, 500 to 600 nm, 600 to 800 nm, or 800 to 1500 nm, and the optical properties which are affected by blood circulation, such as skin color, spots, and discoloration are determined. With these optical properties, the surface state of the skin can be evaluated better.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: May 30, 2000
    Assignee: Kao Corporation
    Inventors: Haruhito Kazama, Yoshinao Nagashima, Yukihiro Yada