Patents by Inventor Chihiro Imase

Chihiro Imase 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).

  • Patent number: 8575288
    Abstract: A curable resin composition is provided which uses a fumarate copolymer which is excellent in thermal discoloration resistance as a binder component and is capable of forming details of a color filter. The curable resin composition of the present invention is a photocurable resin composition for forming a protective layer, RGB pixels, a black matrix or a spacer of a color filter, and contains as a binder component a fumarate copolymer having at least a molecular structure wherein a constituent unit represented by the following Formula 1 and a constituent unit having an acidic functional group(s) are linked, preferably further having a constituent unit with an ethylenically unsaturated bond: wherein, each of R1 and R2 is independently a branched C3-8 alkyl group which may be substituted, or a C4-8 cycloalkyl group which may be substituted.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: November 5, 2013
    Assignees: Dai Nippon Printing Co., Ltd., NOF Corporation
    Inventors: Shinji Hayashi, Akitaka Nishio, Masami Okuo, Kensaku Sonoda, Chihiro Imase, Yoshikazu Nakashima
  • Publication number: 20100247752
    Abstract: A curable resin composition containing as the binder a fumarate copolymer which is excellent in thermal discoloration resistance and capable of forming details of a color filter, namely, a photocurable resin composition useful in forming overcoats, RGB pixels, black matrixes or spacers in the production of color filters, which contains as the binder a fumarate copolymer having a molecular structure comprising constituent units represented by the general formula (1) and constituent units having acidic functional groups, and preferably further containing constituent units having ethylenically unsaturated bonds: (1) wherein R1 and R2 are each independently branched C3-8 alkyl which may be substituted, or C4-8 cycloalkyl which may be substituted.
    Type: Application
    Filed: May 21, 2003
    Publication date: September 30, 2010
    Inventors: Shinji Hayashi, Akitaka Nishio, Masami Okuo, Kensaku Sonoda, Chihiro Imase, Yoshikazu Nakashima
  • Patent number: 7470730
    Abstract: An ink-jet ink composition for a color filter of the present invention comprises; (A) an epoxy compound having two or more epoxy groups, and (B) a carboxyl group block compound having two or more functional groups represented by the formula 1a or 1b, wherein R1, R2, R3, R1?, R2? and R3? each denote a hydrogen or an organic group having 1-18 carbon atoms, R4 and R5 each denote an organic group having 1-18 carbon atoms, Y1 and Y1? each denote an oxygen or a sulfur. R3 and R4 may be bonded with each other. The present invention further discloses a production method for the above-mentioned ink composition, and a production method for a color filter using the above-mentioned ink composition.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: December 30, 2008
    Assignees: Dai Nippon Printing Co., Ltd., NOF Corporation
    Inventors: Tomonori Nishida, Masashi Nishiyama, Koji Sato, Shun Saito, Chihiro Imase
  • Publication number: 20040048950
    Abstract: An ink-jet ink composition for a color filter of the present invention comprises; (A) an epoxy compound having two or more epoxy groups, and (B) a carboxyl group block compound having two or more functional groups represented by the formula 1a or 1b, 1
    Type: Application
    Filed: June 12, 2002
    Publication date: March 11, 2004
    Inventors: Tomonori Nishida, Masashi Nishiyama, Koji Sato, Shun Saito, Chihiro Imase