Patents by Inventor Kunihiro Atsumi

Kunihiro Atsumi 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).

  • Publication number: 20080260972
    Abstract: A cellulosic substance composition contains a cellulosic substance having an aliphatic acyl group containing a branched structure having from 5 to 30 carbon atoms.
    Type: Application
    Filed: April 21, 2008
    Publication date: October 23, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Yutaka Nozoe, Tomoko Imai, Kunihiro Atsumi
  • Publication number: 20080160219
    Abstract: A cellulose ester film comprising a cellulose ester and a reaction product between at least one epoxy compound and at least one polymerization accelerator; a polarizing plate using the cellulose ester film as a protective layer of a polarizer; and a liquid crystal display device using either the cellulose ester film or the polarizing plate.
    Type: Application
    Filed: February 24, 2006
    Publication date: July 3, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Osamu Takahashi, Kunihiro Atsumi
  • Publication number: 20080049323
    Abstract: An optical film includes at least one kind of humidity dependency improver that improves ?Re, wherein the optical film has a ratio of Re/Rth which is larger as a wavelength is longer in the visible wavelength region; and Re which is larger as a wavelength is longer in the visible wavelength region, wherein Re represents an in-plane retardation (unit: nm) of the optical film; Rth represents a retardation (unit: nm) in a thickness direction of the optical film; and ?Re represents a humidity dependency of Re defined by the following formula (1): ?Re=|Re(550)10%RH?Re(550)80%RH|,: ??Formula (1) wherein Re(550)10%RH represents Re at a wavelength of 550 nm, at a temperature of 25° C. and at a relative humidity of 10%; and Re(550)80%RH represents Re at a wavelength of 550 nm, at a temperature of 25° C. and at a relative humidity of 80%.
    Type: Application
    Filed: July 26, 2007
    Publication date: February 28, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Susumu Sugiyama, Kunihiro Atsumi, Hajime Nakayama
  • Publication number: 20060275560
    Abstract: A cellulose acylate film comprising a compound having a hydrogen-donating group capable of forming a hydrogen bond and an aromatic ring, and a compound represented by the following formula: wherein R2, R4, and R5 represent H or a substituent, R11 and R13 represent H or an alkyl group, L1 and L2 represent a single bond or a divalent linking group, Ar1 represents an arylene group or a divalent aromatic heterocyclic group, Ar2 represents an aryl group or a monovalent aromatic heterocyclic group, n represents an integer of 3 or more.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 7, 2006
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Nobutaka Fukagawa, Shigeo Uehira, Yutaka Nozoe, Kunihiro Atsumi
  • Publication number: 20060257589
    Abstract: A cellulose acylate film is provided and has an elasticity modulus of 4,800 MPa to 10,000 MPa in at least either a machine direction MD at film-formation time or a direction TD perpendicular to the machine direction.
    Type: Application
    Filed: April 21, 2006
    Publication date: November 16, 2006
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Hidenori Hayashi, Keiichi Taguchi, Kunihiro Atsumi, Yutaka Nozoe