Patents by Inventor Fumiko Kawasato

Fumiko Kawasato 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).

  • Optical film
    Patent number: 7153568
    Abstract: An optical film which comprises a transparent resin layer (1) made of a photo-curable resin having a self-healing property, an antireflection layer (2) present on one side of the transparent resin layer (1), and a color tone correcting layer (3) containing a colorant which has a color tone correcting property, present on the other side of the transparent resin layer (1) opposite from the antireflection layer (2).
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: December 26, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Katsumi Suzuki, Fumiko Kawasato, Ken Moriwaki
  • Optical film
    Patent number: 6960387
    Abstract: An optical film which comprises a transparent resin layer (1) made of a photo-curable resin having a self-healing property, an antireflection layer (2) present on one side of the transparent resin layer (1), and a color tone correcting layer (3) containing a colorant which has a color tone correcting property, present on the other side of the transparent resin layer (1) opposite from the antireflection layer (2).
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: November 1, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Katsumi Suzuki, Fumiko Kawasato, Ken Moriwaki
  • Optical film
    Publication number: 20050153117
    Abstract: An optical film which comprises a transparent resin layer (1) made of a photo-curable resin having a self-healing property, an antireflection layer (2) present on one side of the transparent resin layer (1), and a color tone correcting layer (3) containing a colorant which has a color tone correcting property, present on the other side of the transparent resin layer (1) opposite from the antireflection layer (2).
    Type: Application
    Filed: December 6, 2004
    Publication date: July 14, 2005
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Katsumi Suzuki, Fumiko Kawasato, Ken Moriwaki
  • Optical film
    Patent number: 6902791
    Abstract: An optical film which comprises a color tone correcting layer (A) containing as the main component a thermoplastic resin which is soluble in a solvent and which has a glass transition temperature of from 120 to 180° C., and containing a colorant which has a color tone correcting property, and a transparent resin layer (B) having a self-healing property and an ultraviolet ray absorption property, present on the viewer's side of the color tone correcting layer (A).
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: June 7, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Fumiko Kawasato, Takeomi Miyako, Hirotoshi Terui
  • Optical film
    Patent number: 6818304
    Abstract: An optical film having a layer made of a transparent resin containing an anthraquinone type colorant and a diimmonium type colorant.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: November 16, 2004
    Assignee: Asahi Glass Company, Limited
    Inventors: Takeomi Miyako, Hirotoshi Terui, Fumiko Kawasato, Ken Moriwaki
  • Optical film
    Publication number: 20030086159
    Abstract: An optical film which comprises a transparent resin layer (1) made of a photo-curable resin having a self-healing property, an antireflection layer (2) present on one side of the transparent resin layer (1), and a color tone correcting layer (3) containing a colorant which has a color tone correcting property, present on the other side of the transparent resin layer (1) opposite from the antireflection layer (2).
    Type: Application
    Filed: June 24, 2002
    Publication date: May 8, 2003
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Katsumi Suzuki, Fumiko Kawasato, Ken Moriwaki
  • Optical film
    Publication number: 20030071248
    Abstract: An optical film having a layer made of a transparent resin containing an anthraquinone type colorant of the formula (1) or (2) and a diimmonium type colorant of the formula (3): 1
    Type: Application
    Filed: September 6, 2002
    Publication date: April 17, 2003
    Applicant: Asahi Glass Company, Limited
    Inventors: Takeomi Miyako, Hirotoshi Terui, Fumiko Kawasato, Ken Moriwaki
  • Optical film
    Publication number: 20030049456
    Abstract: An optical film which comprises a color tone correcting layer (A) containing as the main component a thermoplastic resin which is soluble in a solvent and which has a glass transition temperature of from 120 to 180° C., and containing a colorant which has a color tone correcting property, and a transparent resin layer (B) having a self-healing property and an ultraviolet ray absorption property, present on the viewer's side of the color tone correcting layer (A).
    Type: Application
    Filed: June 24, 2002
    Publication date: March 13, 2003
    Applicant: Asahi Glass Company, Limited
    Inventors: Fumiko Kawasato, Takeomi Miyako, Hirotoshi Terui