Patents by Inventor Kohki Inada

Kohki Inada 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).

  • Color filters and materials and resins therefor
    Patent number: 5721076
    Abstract: This invention relates to alkali-developable photosensitive or thermosetting resin compositions obtained by mixing (A) polymerizable unsaturated compounds having main structural units represented by the following general formulas (1) and (2) ##STR1## ?wherein R.sub.1, and R.sub.2 designate hydrogen, alkyl group with 1 to 5 carbon atoms or halogen, R.sub.3 designates hydrogen or methyl group, X designates --CO--, --SO.sub.2 --, --C(CF.sub.3).sub.2 --, --Si(CH.sub.3).sub.2 --, --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --O--, ##STR2## or direct linkage, Y designate acid anhydride residue, Z designates acid dianhydride residue and the mole ratio of the structural units (m/n) is from 1/99 to 90/10 and showing an inherent viscosity (.eta..sub.inh) of 0.1 dl/g or more as determined on a solution of 0.5 g of said compounds in 100 ml of N-methylpyrrolidone at 30.degree. C.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: February 24, 1998
    Assignees: Nippon Steel Corporation, Nippon Steel Chemical Co., Ltd.
    Inventors: Kazuhiro Watanabe, Takero Teramoto, Kohki Inada