Patents by Inventor Tamon Tachibana

Tamon Tachibana 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 containing an optically active compound and liquid crystal electro-optical element
    Patent number: 7108895
    Abstract: It is to provide a liquid crystal composition containing at least one type of optically active compounds of the following formulae (1) to (4), and a liquid crystal electro-optical element excellent in display quality.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: September 19, 2006
    Assignee: Seimi Chemical Co., Ltd.
    Inventors: Osamu Yokokouji, Tamon Tachibana, Masaki Oiwa, Kanetaka Shimizu, Takeshi Koike
  • Liquid crystal composition containing an optically active compound and liquid crystal electro-optical element
    Publication number: 20040079922
    Abstract: It is to provide a liquid crystal composition containing at least one type of optically active compounds of the following formulae (1) to (4), and a liquid crystal electro-optical element excellent in display quality. In each formula, C* is asymmetric carbon, and the respective symbols are as defined in description.
    Type: Application
    Filed: August 8, 2003
    Publication date: April 29, 2004
    Inventors: Osamu Yokokouji, Tamon Tachibana, Masaki Oiwa, Kanetha Shimizu, Takeshi Koike