Patents by Inventor Toru Ohde

Toru Ohde 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).

  • Antiferroelectric liquid crystal compound
    Patent number: 5320776
    Abstract: A novel antiferroelectric liquid crystal compound is disclosed which is represented by the following formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from C.sub.3 -C.sub.18 alkyl groups, respectively, Rf is a lower fluoroalkyl group, X is a group selected from the group consisting of --O--, --COO--, --OOC--, and --CO--, or a single bond, (A) and (B) each is independently a group selected from the group consisting of phenyl, biphenyl, and naphthalene group which may be substituted with a halogen atom, and C having an asterisk indicates an asymmetric carbon atom.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: June 14, 1994
    Assignee: Showa Shell Sekiyu Kabushiki Kaisha
    Inventors: Yoshiichi Suzuki, Toru Ohde