Patents by Inventor Kouichi Uehara

Kouichi Uehara 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).

  • Self-emulsifiable polyisocyanate mixture and aqueous coating or adhesive compostion comprising the mixture
    Patent number: 5652300
    Abstract: A self-emulsifiable polyisocyanate mixture which is of a non-yellowing type, is not deteriorated in weather resistance, has a high hardness and is quick-drying and which is obtained from a specific, NCO-terminated modified HDI and has introduced thereinto a specific, NCO-terminated modified IPDI or a specific, NCO-terminated modified TDI, and an aqueous coating or adhesive composition comprising the above self-emulsifiable polyisocyanate mixture.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: July 29, 1997
    Assignee: Nippon Polyurethane Industry Co., Ltd.
    Inventors: Yukihiro Morikawa, Shin Konishi, Kouichi Uehara
  • Heater block for use in a bonder utilizing vacuum suction attachment means
    Patent number: 5281794
    Abstract: A heater block for bonders used in a semiconductor assembly line uses a vacuum suction force to securely hold the heater plate on the heater block via vacuum passages and vacuum adhesion holes connected to a vacuum pump so that an attachment and removal of the heater plate is accomplished easily and in a short span of time by merely turning on and off the vacuum suction adhesion force.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: January 25, 1994
    Assignee: Kabushiki Kaisha Shinkawa
    Inventors: Kouichi Uehara, Takashi Takeuchi