Patents by Inventor Masahide Sasaki

Masahide Sasaki 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: 6319725
    Abstract: The present invention provides a method of estimating ingredients of liquefaction products of coal or its analogues from a resonance spectrum thereof obtained using their solid state 13C nuclear magnetic resonance spectrometer. The method comprises the first step of obtaining a resonance spectrum of coal or its analogues using a solid state 13C nuclear magnetic resonance spectrometer, the second step of determining distribution of various types of carbon having different linkage types which constitute the molecular structure of the coal or its analogues, and the third step of estimating ingredients of liquefaction products of the coal or its analogues on the basis of the determined carbon distribution.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: November 20, 2001
    Assignee: Agency of Industrial Science and Technology
    Inventors: Ryoichi Yoshida, Tadashi Yoshida, Mitsuyoshi Yamamoto, Hiroshi Nagaishi, Masahide Sasaki
  • Patent number: 4773559
    Abstract: A container for organism sample made of soft thermoplastic synthetic resin having a cylindrical body with a bottom and a cap whch is airtightly put on a mouth of the body. The cap has a cap portion to cover the mouth and a stopper portion to be inserted into the mouth. The cap cannot come off from the body by virtue of the above double-engagement-construction. In the second invention, a container further has a plurality of annular ribs provided at an outer wall of a body portion of the body near the mouth. Thus, the container can be used as a plug for a test tube and the like and there can be avoided a trouble of taking the wrong container.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: September 27, 1988
    Assignee: Nissho Corporation
    Inventors: Masahide Sasaki, Shinichiro Matsuda