Patents by Inventor Kenichi Makagawa

Kenichi Makagawa 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 composition
    Patent number: 4622162
    Abstract: A liquid crystal composition which comprises of at least one compound selected from each of the following groups of compound:the first group which consists of compounds expressed as the structural formulas, ##STR1## the second group which consists of compounds expressed as the structural formulas, ##STR2## the third group which consists of compounds expressed as the structural formulas, ##STR3## the fourth group which consists of compounds expressed as the structural formulas, ##STR4## and the fifth group which consists of compounds expressed as the structural formula, ##STR5## wherein groups R.sub.1 to R.sub.19 are all straight-chain, alkyl groups expressed as C.sub.n H.sub.2n+1 (n=1.about.7).
    Type: Grant
    Filed: May 30, 1984
    Date of Patent: November 11, 1986
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Naofumi Kimura, Kenichi Makagawa, Yutaka Ishii, Fumiaki Funada