Patents by Inventor Mitsuyuki Takahashi

Mitsuyuki Takahashi 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 of discriminating coal species
    Patent number: 5873982
    Abstract: In a method and apparatus for discriminating a coal species, discriminating values of coal species/properties are prepared corresponding to coal ranks, a coal to be discriminated is irradiated with near-infrared rays having different wavelengths, and light of near-infrared rays reflected from the coal is received; Aborbances of the coal are acquired, and the coal species/property discriminating value of the coal is discriminated on the basis of the absorbances and a prescribed calibration curve.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: February 23, 1999
    Assignees: Japan Tobacco Inc., Tohoku Electric Power Co., Inc., Kett Electric Laboratory
    Inventors: Junichi Yoshimura, Mitsuyuki Takahashi, Osamu Hatakeyama, Satoshi Sugawara, Fumio Kutsukake, Masatoshi Yokoyama, Takuya Kinoshita, Sadaji Kawazoe, Hiroshi Obara, Yasuo Saito, Yoriyuki Tsunakawa