Patents by Inventor Sigeyuki Takagi

Sigeyuki Takagi 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).

  • Starch-containing biodegradable plastic and method of producing same
    Patent number: 5256711
    Abstract: A biodegradable plastic composition, which may be in the form of a molded dy, includes gelatinized starch and a biodegradable, aliphatic polyester resin having a melting point of 45.degree.-130 .degree. C. The plastic is produced by kneading a blend containing a starchy substance selected from non-gelatinized, granular starch and gelatinized starch and the aliphatic polyester resin at a temperature higher than the melting point of the aliphatic polyester in the presence of water in an amount of 1-45 % based on the weight of the starchy substance.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: October 26, 1993
    Assignees: Director-General of Agency of Industrial Science, Technology Research Institute of Innovative Technology for the Earth, Chuo Kagaku Co., Ltd.
    Inventors: Yutaka Tokiwa, Sigeyuki Takagi, Masatoshi Koyama
  • Press apparatus used for manufacturing a liquid crystal panel
    Patent number: 5231923
    Abstract: A press apparatus for use in manufacture of a liquid crystal panel presses upper and lower glass substrates placed between a pressure-exerting plate and a pressure-receiving plate while a seal located around the glass substrates is being heated and melted. The pressure-exerting plate is supported by a pressure-transmitting plate through three load cells. The pressure-transmitting plate presses the pressure-exerting plate against the pressure-receiving plate through the load cells and thereby presses the glass substrates uniformly. When a difference between the detection values of the load cells exceeds a predetermined value, it is determined that the glass substrates are not being pressed uniformly and the pressing operations thus stopped.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: August 3, 1993
    Assignee: Sintogokio Ltd.
    Inventors: Kazuhiro Ohta, Shoji Uchimura, Sigeyuki Takagi, Kyoji Furukawa