Patents by Inventor Yuzuru Torii

Yuzuru Torii 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 and liquid crystal display device
    Patent number: 7709064
    Abstract: A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific four-ring compound having phenylene, one hydrogen of which is replaced by fluorine, and the second component is a specific compound having phenylene, two hydrogens of which are replaced by halogen, and a liquid crystal display device including the composition.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: May 4, 2010
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Yuzuru Torii, Masayuki Saito
  • Liquid crystal composition and liquid crystal display device
    Patent number: 7595100
    Abstract: A liquid crystal composition having a negative dielectric anisotropy that includes three components, wherein the first component is a specific four-ring compound having phenylene, one hydrogen of which is replaced by fluorine, the second component is a specific compound having phenylene, two hydrogens of which are replaced by fluorine or chlorine, and the third component is a specific compound having two cyclohexylene rings, and a liquid crystal display device including the composition.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: September 29, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Hiroaki Fujita, Yuzuru Torii, Masayuki Saito
  • Liquid crystal composition and liquid crystal display device
    Publication number: 20080011984
    Abstract: A liquid crystal composition having a negative dielectric anisotropy that includes three components, wherein the first component is a specific four-ring compound having phenylene, one hydrogen of which is replaced by fluorine, the second component is a specific compound having phenylene, two hydrogens of which are replaced by fluorine or chlorine, and the third component is a specific compound having two cyclohexylene rings, and a liquid crystal display device including the composition.
    Type: Application
    Filed: June 26, 2007
    Publication date: January 17, 2008
    Inventors: Hiroaki Fujita, Yuzuru Torii, Masayuki Saito
  • Liquid crystal composition and liquid crystal display device
    Publication number: 20070290169
    Abstract: A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific four-ring compound having phenylene, one hydrogen of which is replaced by fluorine, and the second component is a specific compound having phenylene, two hydrogens of which are replaced by halogen, and a liquid crystal display device including the composition.
    Type: Application
    Filed: June 14, 2007
    Publication date: December 20, 2007
    Inventors: Yuzuru Torii, Masayuki Saito
  • Liquid crystal composition and liquid crystal display
    Patent number: 6936312
    Abstract: A liquid crystal composition comprising a first component consisting of at least one compound selected from a group of compounds represented by Formula (I) and a second component consisting of at least one compound selected from a group of compounds represented by Formulas (II-1) to (II-8): in which each symbols of Formula (I) are defined in the specification and Formulas (II-1) to (II-8) and their symbols are also defined in the specification.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: August 30, 2005
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Yuzuru Torii, Hitoshi Yamamoto
  • Liquid crystal composition and liquid crystal display
    Publication number: 20030222244
    Abstract: A liquid crystal composition comprising a first component consisting of at least one compound selected from a group of compounds represented by Formula (I) and a second component consisting of at least one compound selected from a group of compounds represented by Formulas (II-1) to (II-8): 1
    Type: Application
    Filed: April 9, 2003
    Publication date: December 4, 2003
    Inventors: Yuzuru Torii, Hitoshi Yamamoto