Patents by Inventor Kanichiro Tanabe

Kanichiro Tanabe 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: 4617682
    Abstract: A method and an apparatus for automatic quantitative measurement of textures by image analysis for measuring textures of a material containing various optically anisotropic textures. An image of the material is divided into a plurality of sections and brightness of each section is classified into a plurality of stages to be stored as gray levels of the sections or pixels. Image patterns of the textures are recognized on the basis of gray level variations observed before and after a mask movement, and the textures of the material are determined according to predetermined criteria.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: October 14, 1986
    Assignees: Osaka Gas Company Limited, Nireco Corporation
    Inventors: Makihiko Mori, Kazuo Nakamura, Kanichiro Tanabe, Atsushi Kimura