Patents by Inventor Miyuki KURATA

Miyuki KURATA 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).

  • Light emitting device
    Patent number: 11489094
    Abstract: A light emitting device includes: a light emitting element having a light emission peak wavelength in a range of 380 nm or more and 485 nm or less; a wavelength conversion member including a fluorescent material layer disposed on a light emission side of the light emitting element and containing a fluorescent material having a reflectance to light having a wavelength of 450 nm of 10% or less and a light emission peak wavelength in a range of 610 nm or more and 780 nm or less, and a dielectric multilayer film disposed on a light emission side of the fluorescent material layer.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 1, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Makiko Iwasa, Yuji Sato, Miyuki Kurata
  • Light emitting device having recognizable amber color emission
    Patent number: 11482647
    Abstract: A light emitting device includes: a light emitting element having a light emission peak wavelength in a range of 380 nm or more and 470 nm or less, and a wavelength conversion member disposed on a light emission side of the light emitting device and comprising: a fluorescent material layer containing a fluorescent material excited by light emitted from the light emitting device, having a light emission peak wavelength in a range of 500 nm or more and 780 nm or less, and a band-pass filter layer disposed on a light emission side of the fluorescent material layer.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: October 25, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Yuji Sato, Miyuki Kurata
  • LIGHT EMITTING DEVICE
    Publication number: 20210098656
    Abstract: A light emitting device includes: a light emitting element having a light emission peak wavelength in a range of 380 nm or more and 470 nm or less, and a wavelength conversion member disposed on a light emission side of the light emitting device and comprising: a fluorescent material layer containing a fluorescent material excited by light emitted from the light emitting device, having a light emission peak wavelength in a range of 500 nm or more and 780 nm or less, and a band-pass filter layer disposed on a light emission side of the fluorescent material layer.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 1, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Yuji SATO, Miyuki KURATA
  • LIGHT EMITTING DEVICE
    Publication number: 20210098659
    Abstract: A light emitting device includes: a light emitting element having a light emission peak wavelength in a range of 380 nm or more and 485 nm or less; a wavelength conversion member including a fluorescent material layer disposed on a light emission side of the light emitting element and containing a fluorescent material having a reflectance to light having a wavelength of 450 nm of 10% or less and a light emission peak wavelength in a range of 610 nm or more and 780 nm or less, and a dielectric multilayer film disposed on a light emission side of the fluorescent material layer.
    Type: Application
    Filed: September 24, 2020
    Publication date: April 1, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Makiko IWASA, Yuji SATO, Miyuki KURATA