Patents by Inventor Shiuchi Kozaki

Shiuchi Kozaki 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).

  • Liquid crystal composite layer of the dispersion type, method for the production thereof and liquid crystal materials used therein
    Patent number: 5804609
    Abstract: The present invention relates to a liquid crystal composite layer of the polymer dispersion type wherein a liquid crystal material comprising compounds of formulae (1) and (2) is dispersed in a matrix polymer; wherein formula (1) is: ##STR1## wherein A.sub.1 and A.sub.2 each represent independently a benzene ring, cyclohexane ring, pyrimidine ring or trans-1,3-dioxane ring;X.sub.1, X.sub.2, X.sub.3, X.sub.4, X.sub.5 and X.sub.6 each independently represent H, F or Cl;Z.sub.1 and Z.sub.2 each independently represent a single bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --COO-- or --OCO--;Q represents a single bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CF.sub.2 --, --OCF.sub.2, --C.sub.2 F.sub.4 --, --CCl.sub.2 -- or --C.sub.2 Cl.sub.4 --;Y represents H, F or Cl;R represents C.sub.n H.sub.2n+1 O--, C.sub.n H.sub.2n+1 CH.dbd.CH-- (n=2-10);m represents 0, 1 or 2; ##STR2## in which B and C represent respectively C.sub.n H.sub.2n+1 --, C.sub.n H.sub.2n+1 O--, C.sub.n H.sub.2n+1 CH.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: September 8, 1998
    Assignees: Merck Patent Gesellschaft mit beschrankter Haftung, Sharp Corporation
    Inventors: Noriaki Ohnishi, Toshiyuki Hirai, Nobuaki Yamada, Shiuchi Kozaki, David Coates, Emma Jane Brown, Bernhardt Rieger, Yukiomi Tanaka
  • Liquid crystal composite layer of the dispersion type, method for the production thereof and liquid crystal materials used therein
    Patent number: 5523127
    Abstract: The present invention relates to a liquid crystal composite layer of the polymer dispersion type wherein a liquid crystal material comprising compounds of formulae (1) and (2) is dispersed in a matrix polymer; wherein formula (1) is: ##STR1## wherein A.sub.1 and A.sub.2 each represent independently a benzene ring, cyclohexane ring, pyrimidine ring or trans-1,3-dioxane ring;X.sub.1, X.sub.2, X.sub.3, X.sub.4,X.sub.5 and X.sub.6 each independently represent H, F or Cl;Z.sub.1 and Z.sub.2 each independently represent a single bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --COO-- or --OCO--;Q represents a single bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CF.sub.2 --, --OCF.sub.2, --C.sub.2 F.sub.4 --, --CCl.sub.2 -- or --C.sub.2 Cl.sub.4 --;Y represents H, F or Cl;R represents C.sub.n H.sub.2n+1 O--, C.sub.n H.sub.2n+1 CH.dbd.CH-- (n=2-10);m represents 0, 1 or 2; ##STR2## in which B and C represent respectively C.sub.n H.sub.2n+1 --, C.sub.n H.sub.2n+1 O--, C.sub.n H.sub.2n+1 CH.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: June 4, 1996
    Assignees: Merck Patent Gesellschaft mit beschrankter Haftung, Sharp Corporation
    Inventors: Noriaki Ohnishi, Toshiyuki Hirai, Nobuaki Yamada, Shiuchi Kozaki, David Coates, Emma J. Brown, Bernhart Rieger, Yukiomi Tanaka