Patents by Inventor Hirosh OGAWA

Hirosh OGAWA 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).

  • Adhesive composition for polarizer and polarizer using same
    Patent number: 9790402
    Abstract: Disclosed herein is an adhesive composition for polarizing plates having increased adhesion by preventing curing inhibition due to moisture. The present invention provides an adhesive composition for polarizing plates, comprising: (A) a radical polymerizable monomer; (B) a cationic polymerizable monomer; (C) an unsaturated dicarboxylic acid anhydride; and (D) an initiator.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: October 17, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hirosh Ogawa, Tatsuhiro Suwa
  • Adhesive composition, adhesive layer, optical member, and adhesive sheet
    Patent number: 9551812
    Abstract: An adhesive composition, an adhesive layer, an optical member, and an adhesive sheet, the adhesive composition including 100 parts by weight of a (meth)acrylic copolymer, the (meth)acrylic copolymer having a weight average molecular weight of about 100,000 to about 2,000,000 g/mol; about 0.05 to about 5 parts by weight of a carbodiimide crosslinker; and about 0.01 to about 0.3 parts by weight of an organic group-containing compound, the organic group-containing compound including at least one selected from the group of titanium, zirconium, and hafnium.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: January 24, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hirosh Ogawa, Tatsuhiro Suwa
  • ADHESIVE COMPOSITION FOR POLARIZER AND POLARIZER USING SAME
    Publication number: 20150099127
    Abstract: Disclosed herein is an adhesive composition for polarizing plates having increased adhesion by preventing curing inhibition due to moisture. The present invention provides an adhesive composition for polarizing plates, comprising: (A) a radical polymerizable monomer; (B) a cationic polymerizable monomer; (C) an unsaturated dicarboxylic acid anhydride; and (D) an initiator.
    Type: Application
    Filed: February 14, 2013
    Publication date: April 9, 2015
    Inventors: Hirosh Ogawa, Tatsuhiro Suwa
  • ADHESIVE COMPOSITION, ADHESIVE LAYER, OPTICAL MEMBER, AND ADHESIVE SHEET
    Publication number: 20120309873
    Abstract: An adhesive composition, an adhesive layer, an optical member, and an adhesive sheet, the adhesive composition including 100 parts by weight of a (meth)acrylic copolymer, the (meth)acrylic copolymer having a weight average molecular weight of about 100,000 to about 2,000,000 g/mol; about 0.05 to about 5 parts by weight of a carbodiimide crosslinker; and about 0.01 to about 0.3 parts by weight of an organic group-containing compound, the organic group-containing compound including at least one selected from the group of titanium, zirconium, and hafnium.
    Type: Application
    Filed: May 29, 2012
    Publication date: December 6, 2012
    Applicant: CHEIL INDUSTRIES, INC.
    Inventors: Hirosh OGAWA, Tatsuhiro SUWA