Patents by Inventor Hiromasa Minamino

Hiromasa Minamino 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).

  • Reflector, method for fabrication thereof and reflective liquid crystal display device incorporating the reflector
    Patent number: 6623812
    Abstract: A reflector is disclosed which enables bright image display with a wide angle of view and can be efficiently fabricated by a a simplified process. The reflector includes a resin layer having at its surface microscopic projections and depressions and formed by application of a coating composition containing a binder resin and crosslinked resin particles.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: September 23, 2003
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hideto Tanaka, Hiromasa Minamino, Hirokazu Kaji, Masashi Ohata, Mamoru Seio
  • Polyurethane resin composition
    Patent number: 5550198
    Abstract: A polyurea resin composition for RIM or coating use Comprises (a) a polyoxyalkylenepolyamine, (b) an aromatic polyamine and/or a xylylenediamine and (c) a polyisocyanate compound with either one or both of components (a) and (b) having been modified by a Michael reaction with a vinyl monomer having an electron attracting group to convert the primary amino group thereof to a secondary amino group. The composition also contains as an internal mold release a polyoxyalkylene glycol mono-C.sub.4 -C.sub.1, alkyl ether and/or as a polyamine component a reaction product between a primary aromatic polyamine and a polyglycidyl ether.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: August 27, 1996
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Toshiyuki Oshima, Hideo Ishibashi, Hiromasa Minamino, Satoshi Yamamoto, Takaharu Izumo, Mitsuharu Kaneko