Patents by Inventor Yoshitaka KATSUTA

Yoshitaka KATSUTA 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).

  • WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT, AND IMAGE DISPLAY DEVICE
    Publication number: 20220187518
    Abstract: A wavelength conversion member, comprising a wavelength conversion layer that comprises a phosphor and a light scattering material, and satisfying at least one of the following (1) or (2): (1) the wavelength conversion member has a diffusion transmittance of 50% or less and the wavelength conversion layer having a thickness of 100 ?m or less; or (2) a content of the light scattering material in a total wavelength conversion layer is 2.0% by mass or more.
    Type: Application
    Filed: April 10, 2019
    Publication date: June 16, 2022
    Inventors: Yoshitaka KATSUTA, Tomoyuki NAKAMURA, Futoshi OIKAWA, Mayumi SATO, Katsuyoshi SAKAMOTO, Yuma YOSHIDA, Daisuke OTSUKI, Kunihiro KIRIGAYA
  • WAVELENGTH CONVERSION MEMBER AND UTILIZATION THEREOF, BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE
    Publication number: 20220179138
    Abstract: A wavelength conversion member includes a wavelength conversion layer that contains a phosphor, the wavelength conversion member having a face that has an arithmetic average roughness Ra of 5 ?m or more and a maximum height Rz of from 30 to 250 ?m.
    Type: Application
    Filed: June 14, 2019
    Publication date: June 9, 2022
    Inventors: Mayumi SATOH, Tomoyuki NAKAMURA, Futoshi OIKAWA, Katsuyoshi SAKAMOTO, Yuma YOSHIDA, Yoshitaka KATSUTA
  • WAVELENGTH CONVERSION MEMBER, BACK LIGHT UNIT, IMAGE DISPLAY DEVICE, RESIN COMPOSITION FOR WAVELENGTH CONVERSION, AND RESIN CURED PRODUCT FOR WAVELENGTH CONVERSION
    Publication number: 20210292643
    Abstract: Provided are a wavelength conversion member including: a quantum dot phosphor; a white pigment including an organic substance layer that contains an organic substance, on at least a part of a surface of the white pigment; and a resin cured product including the quantum dot phosphor and the white pigment.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventors: Kouhei MUKAIGAITO, Shigeaki FUNYU, Hiroaki TAKAHASHI, Tomoyuki NAKAMURA, Masato FUKUI, Takanori KAJIMOTO, Yoshitaka KATSUTA, Tatsuya YAHATA
  • Wavelength conversion member, back light unit, image display device, resin composition for wavelength conversion, and resin cured product for wavelength conversion
    Patent number: 11061278
    Abstract: Provided are a wavelength conversion member including: a quantum dot phosphor; a white pigment including an organic substance layer that contains an organic substance, on at least a part of a surface of the white pigment; and a resin cured product including the quantum dot phosphor and the white pigment.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 13, 2021
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Kouhei Mukaigaito, Shigeaki Funyu, Hiroaki Takahashi, Tomoyuki Nakamura, Masato Fukui, Takanori Kajimoto, Yoshitaka Katsuta, Tatsuya Yahata
  • WAVELENGTH CONVERSION MEMBER, BACK LIGHT UNIT, IMAGE DISPLAY DEVICE, RESIN COMPOSITION FOR WAVELENGTH CONVERSION, AND RESIN CURED PRODUCT FOR WAVELENGTH CONVERSION
    Publication number: 20200255598
    Abstract: Provided is a wavelength conversion member, including: a quantum dot phosphor; and a resin cured product which includes the quantum dot phosphor and which contains an alicyclic structure and a sulfide structure.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 13, 2020
    Inventors: Kouhei MUKAIGAITO, Shigeaki FUNYU, Hiroaki TAKAHASHI, Tomoyuki NAKAMURA, Takanori KAJIMOTO, Yoshitaka KATSUTA, Tatsuya YAHATA
  • WAVELENGTH CONVERSION MEMBER, BACK LIGHT UNIT, IMAGE DISPLAY DEVICE, RESIN COMPOSITION FOR WAVELENGTH CONVERSION, AND RESIN CURED PRODUCT FOR WAVELENGTH CONVERSION
    Publication number: 20200241361
    Abstract: Provided are a wavelength conversion member including: a quantum dot phosphor; a white pigment including an organic substance layer that contains an organic substance, on at least a part of a surface of the white pigment; and a resin cured product including the quantum dot phosphor and the white pigment.
    Type: Application
    Filed: September 29, 2017
    Publication date: July 30, 2020
    Inventors: Kouhei MUKAIGAITO, Shigeaki FUNYU, Hiroaki TAKAHASHI, Tomoyuki NAKAMURA, Masato FUKUI, Takanori KAJIMOTO, Yoshitaka KATSUTA, Tatsuya YAHATA
  • WAVELENGTH CONVERSION MATERIAL, BACKLIGHT UNIT, IMAGE DISPLAY DEVICE, AND CURABLE COMPOSITION
    Publication number: 20200017762
    Abstract: A wavelength conversion material contains a cured product of a curable composition that contains a (meth)allyl compound, a (meth)acryl compound, a photopolymerization initiator, and a quantum dot phosphor.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 16, 2020
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Yoichiro MANSEI, Yoshitaka KATSUTA, Eiji KOBAYASHI, Kazuhiro YOSHIDA, Tomomi KAWAMURA, Tomoyuki NAKAMURA, Masayuki WADA, Tomohiro HORINOUCHI, Kohei MUKAIGAITO, Shigeaki FUNYU, Takahiro TANABE