Patents by Inventor Tanno Hiroaki

Tanno Hiroaki 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).

  • Ultraviolet-emitting phosphor, light-emitting element, and light-emitting device
    Patent number: 11555148
    Abstract: An ultraviolet light emitting phosphor for mercury-free lamps is a phosphor composed of a phosphate containing at least two metal elements selected from the group consisting of group 13 elements and lanthanoid series elements, and is excited to emit ultraviolet by irradiation with vacuum ultraviolet rays or an electron beam.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: January 17, 2023
    Assignee: DYDEN CORPORATION
    Inventors: Tanamachi Nobutsugu, Tanno Hiroaki, Fukushima Tomoko, Nishihara Terutaka
  • ULTRAVIOLET-EMITTING PHOSPHOR, LIGHT-EMITTING ELEMENT, AND LIGHT-EMITTING DEVICE
    Publication number: 20210139774
    Abstract: An ultraviolet light emitting phosphor for mercury-free lamps exhibiting ultraviolet by irradiation with vacuum ultraviolet rays or electron beam is provided. The ultraviolet light emitting phosphor is a phosphor composed of a phosphate containing at least two metal elements selected from the group consisting of group 13 elements and lanthanoid series elements, and is excited to emit ultraviolet by irradiation with vacuum ultraviolet rays or electron beam.
    Type: Application
    Filed: June 14, 2018
    Publication date: May 13, 2021
    Applicant: DYDEN CORPORATION
    Inventors: Tanamachi Nobutsugu, Tanno Hiroaki, Fukushima Tomoko, Nishihara Terutaka