Patents by Inventor Katsuaki Miyazaki

Katsuaki Miyazaki 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).

  • Compound, liquid crystal composition, optical film, polarizing plate, and optical display
    Patent number: 10858590
    Abstract: A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: December 8, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shinnosuke Yoshioka, Noriyuki Hida, Katsuaki Miyazaki, Daichi Fujimoto
  • Light absorptive compound, polymer composition containing the compound, polymer film, and cured layer
    Patent number: 10029982
    Abstract: The object of the present invention is to provide a light absorptive compound which is capable of selectively absorbing light around a wavelength of 400 nm, and is excellent in solubility in various solvents and/or affinity with hydrophobic substances. Also, the object of the present invention is to provide an optical film containing such a light absorptive compound, and a cured layer.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: July 24, 2018
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Katsuaki Miyazaki, Haruki Okawa, Daichi Fujimoto, Shinnosuke Yoshioka
  • COMPOUND, LIQUID CRYSTAL COMPOSITION, OPTICAL FILM, POLARIZING PLATE, AND OPTICAL DISPLAY
    Publication number: 20180120624
    Abstract: A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification.
    Type: Application
    Filed: October 25, 2017
    Publication date: May 3, 2018
    Inventors: Shinnosuke YOSHIOKA, Noriyuki HIDA, Katsuaki MIYAZAKI, Daichi FUJIMOTO
  • COMPOUND, LIQUID CRYSTAL COMPOSITION, OPTICAL FILM, POLARIZING PLATE, AND OPTICAL DISPLAY
    Publication number: 20180119015
    Abstract: A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 3, 2018
    Inventors: Shinnosuke YOSHIOKA, Noriyuki HIDA, Katsuaki MIYAZAKI, Daichi FUJIMOTO
  • OPTICAL FILM
    Publication number: 20170235032
    Abstract: Provided is an optical film which has high selective absorbability to short-wavelength visible light having wavelengths around 420 nm and hence a high blue-light cutting function and can impart better display characteristics when used for a display device. The optical film satisfies the following two formulae: (1) A(420)?1 and (2) A(450)/A(420)?0.3, wherein A(420) represents an absorbance of the optical film at a wavelength of 420 nm and A(450) represents an absorbance of the optical film at a wavelength of 450 nm.
    Type: Application
    Filed: February 10, 2017
    Publication date: August 17, 2017
    Inventor: Katsuaki MIYAZAKI
  • LIGHT ABSORPTIVE COMPOUND, POLYMER COMPOSITION CONTAINING THE COMPOUND, POLYMER FILM, AND CURED LAYER
    Publication number: 20170183304
    Abstract: The object of the present invention is to provide a light absorptive compound which is capable of selectively absorbing light around a wavelength of 400 nm, and is excellent in solubility in various solvents and/or affinity with hydrophobic substances. Also, the object of the present invention is to provide an optical film containing such a light absorptive compound, and a cured layer.
    Type: Application
    Filed: December 27, 2016
    Publication date: June 29, 2017
    Inventors: Katsuaki MIYAZAKI, Haruki OKAWA, Daichi FUJIMOTO, Shinnosuke YOSHIOKA
  • Process for producing a solid which is rapidly soluble in the oral cavity
    Patent number: 6187336
    Abstract: A rapidly soluble solid in the oral cavity comprising erythritol, which has a porous structure; and a process for producing a rapidly soluble solid in the oral cavity comprising erythritol, which comprises the steps of: preparing a composition comprising erythritol and appropriate moisture, kneading the composition, molding the kneaded composition, and drying the molded composition under reduced pressure.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: February 13, 2001
    Assignee: Nikken Chemicals Co., Ltd.
    Inventors: Mutsuo Okumura, Sachio Motegi, Tadashi Ukigaya, Katsuaki Miyazaki