Patents by Inventor Tadahiro Kakiuchi

Tadahiro Kakiuchi 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).

  • Water-developing photosensitive resin composition
    Patent number: 5861232
    Abstract: The present invention provides a photosensitive resin composition which is superior in water-developing properties, resilience, strength of resin plate after exposure, elongation at break, and transparency of resin plate. The composition comprises:(1) a particulate copolymer obtained by polymerizing a monomer mixture comprising:(a) an aliphatic conjugated diene monomer,(b) a monomer represented by the following general formula (I): ##STR1## and (c) a monomer having at least two groups capable of addition-polymerizing;(2) a photopolymerizable unsaturated monomer;(3) an amino group-containing compound; and(4) a photopolymerization initiator.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: January 19, 1999
    Assignees: Nippon Paint Co., Ltd., Japan Synthetic Rubber Co., Ltd.
    Inventors: Kazunori Kanda, Koichi Ueda, Tadahiro Kakiuchi, Hisaichi Muramoto, Katsuo Koshimura, Kenji Yasuda, Hozumi Sato, Takashi Nishioka
  • Water-developable photosensitive resin composition
    Patent number: 5837421
    Abstract: A photosensitive resin composition is provided which is excellent in water developability, impact resilience, resin plate strength after exposure, breaking extension, and resin-plate transparency. The composition comprises:(1) a granular copolymer produced by polymerizing a monomer mixture comprising:(i) an aliphatic conjugated diene monomer;(ii) a monomer expressed by the general formula (I): ##STR1## (in which R.sup.1 represents a hydrogen atom or a methyl group, R.sup.2 represents an alkylene group having a carbon number of 3 to 20, and l represents an integer of 1 to 20);(iii) a monomer having at least two addition-polymerizable groups, and(iv) an addition-polymerizable monomer other than (i), (ii) and (iii), if desirable;(2) a photo-polymerizable unsaturated monomer;(3) an amino group-containing compound, and(4) a photo-polymerization initiator.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: November 17, 1998
    Assignees: Nippon Paint Co., Ltd., Japan Synthetic Rubber Co., Ltd.
    Inventors: Kazunori Kanda, Koichi Ueda, Tadahiro Kakiuchi, Hisaichi Muramoto, Kenji Yasuda, Hozumi Sato, Katsuo Koshimura, Takashi Nishioka
  • Resin composition for flexographic printing plate
    Patent number: 5731128
    Abstract: The present invention provides a resin composition for flexographic printing plate, which is superior in rubber elasticity, hardness and elongation as well as water developability. The resin composition for flexographic printing plate capable of water developing, attains excellent rubber elasticity, hardness and elongation without deterioration of water developability, using as elastic particles copolymer elastic particles having whisker on the particle surface which forms an entanglement between particles.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: March 24, 1998
    Assignees: Nippon Paint Co., Ltd., Japan Synthetic Rubber Co., Ltd.
    Inventors: Kazunori Kanda, Koichi Ueda, Tadahiro Kakiuchi, Hisaichi Muramoto, Hozumi Sato, Katsuo Koshimura, Takashi Nishioka