Patents by Inventor Ryousuke Takada

Ryousuke Takada 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).

  • Cellulose acylate film, method for producing same, polarizer and liquid crystal display device
    Patent number: 8524810
    Abstract: A cellulose acylate film is produced by casting a solution comprising a cellulose acylate resin and a partially ring-opened, styrene/maleic anhydride copolymer. The produced film has improved wet heat durability and low haze.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: September 3, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Ryousuke Takada, Yoshiaki Hisakado
  • CELLULOSE ACYLATE FILM, METHOD FOR PRODUCING SAME, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20110039986
    Abstract: A cellulose acylate film is produced by casting a solution comprising a cellulose acylate resin and a partially ring-opened, styrene/maleic anhydride copolymer. The produced film has improved wet heat durability and low haze.
    Type: Application
    Filed: August 2, 2010
    Publication date: February 17, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Ryousuke Takada, Yoshiaki Hisakado
  • CELLULOSE ESTER FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20110001904
    Abstract: A cellulose ester film comprising at least one polycondensate ester that comprises a dicarboxylic acid residue mixture having an average carbon number of from 5.5 to 10.0 and comprising an aromatic dicarboxylic acid residue and an aliphatic dicarboxylic acid residue, and an aliphatic diol residue having an average carbon number of from 2.5 to 7.0.
    Type: Application
    Filed: July 1, 2010
    Publication date: January 6, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Hiromichi Tachikawa, Jun Takeda, Yoshiaki Hisakado, Ryousuke Takada, Akira Ikeda, Mamoru Sakurazawa
  • CELLULOSE ACYLATE FILM AND POLARIZER
    Publication number: 20100040854
    Abstract: A cellulose acylate film comprising at least one compound having a negative birefringence and satisfying 30 nm<Re<100 nm and 80 nm<Rth<300 nm is excellent in the wet heat durability of Re and Rth.
    Type: Application
    Filed: August 13, 2009
    Publication date: February 18, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Ryousuke Takada, Jun Takeda
  • CELLULOSE ESTER FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20090317567
    Abstract: A cellulose ester film with Rth>0 nm comprising a cellulose ester having a total degree of substitution of at least 2.3 and a polymer X with a weight-average molecular weight of 500-100000 satisfying 30%?A?100%, wherein A indicates the polymerization ratio of a monomer whose homopolymer has a negative birefringence, is excellent in humidity stability and wet heat durability.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 24, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Jun Takeda, Ryousuke Takada, Masaya Suzuki, Hiromichi Tachikawa