Patents by Inventor Shunro Aoto

Shunro Aoto 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).

  • Thermosetting covering sheet and a method of forming hard coating on the surface of substrates using the same
    Patent number: 5312868
    Abstract: A thermosetting covering sheet comprising an unhardened or semihardened layer made of a thermosetting resin composition is provided. The thermosetting resin composition comprises, as main ingredients, a reactive acrylic resin, which is in a solid state at ordinary temperatures, and a blocked isocyanate, the reactive acrylic resin containing a plurality of at least one kind of functional group selected from the group consisting of hydroxyl, amino, and carboxyl, and the weight average molecular weight of the reactive acrylic resin being in the range of 100,000 to 1,000,000.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: May 17, 1994
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Abe, Akitaka Miyake, Shunro Aoto, Yoshihiro Nishiyama, Natsuki Morishita, Yosuke Oshikawa, Makoto Yamaguchi