Patents by Inventor Yoshiyuki Kuwabara

Yoshiyuki Kuwabara 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).

  • Process for producing a double-layer film
    Patent number: 5474802
    Abstract: A process for producing a double-layer film on a flat substrate by reactive casting employing two kinds of reaction-curable resin raw material mixtures substantially free from a solvent, which comprises casting onto the substrate a first unreacted liquid raw material mixture for the first layer, then casting onto the first layer a second unreacted liquid raw material mixture for the second layer while the first raw material mixture still retains its fluidity, and thereafter curing by reaction the two layers simultaneously.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: December 12, 1995
    Assignees: Asahi Glass Company Ltd., Saint Gobain Vitrage International
    Inventors: Hiroshi Shimoda, Noriyuki Yoshihara, Yoshiyuki Kuwabara