Patents by Inventor Mamoru Sakarazawa

Mamoru Sakarazawa 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, and polarizing plate and liquid crystal display device using the same
    Patent number: 7940355
    Abstract: A cellulose acylate film comprising: (A) at least one retardation regulator that has an absorbance, in terms of a 1.0 g/liter solution, of 0.1 or less for a 1 cm path length within a wavelength region of 450 nm or greater but not greater than 800 nm; and (B) at least one near infrared absorber that has at least one maximum absorption wavelength at 700 nm or greater but not greater than 1200 nm and has an absorbance, in terms of a 1.0 g/liter solution, of 30.0 or less for a 1 cm path length within a wavelength region of 450 nm or greater but not greater than 650 nm.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: May 10, 2011
    Assignee: Fujifilm Corporation
    Inventors: Mamoru Sakarazawa, Yutaka Nozoe, Tomohiro Ogawa