TREA

Takahisa Yamaguchi

Follow

Person

  • Yokohama-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber
    • Patent number 11,927,798
    • Issue date Mar 12, 2024
    • Sumitomo Electric Industries, Ltd.
    • Noriaki Iwaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for manufacturing optical fiber
    • Patent number 11,465,317
    • Issue date Oct 11, 2022
    • Sumitomo Electric Industries, Ltd.
    • Noriaki Iwaguchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Optical connector and method of assembling optical connector
    • Patent number 6,565,265
    • Issue date May 20, 2003
    • Sumitomo Electric Industries, Ltd.
    • Kenichiro Ohtsuka
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL FIBER
    • Publication number 20210181411
    • Publication date Jun 17, 2021
    • Sumitomo Electric Industries, Ltd.
    • Noriaki IWAGUCHI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR MANUFACTURING OPTICAL FIBER
    • Publication number 20200047378
    • Publication date Feb 13, 2020
    • Sumitomo Electric Industries, Ltd.
    • Noriaki IWAGUCHI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Optical connector
    • Publication number 20010036341
    • Publication date Nov 1, 2001
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.
    • Kenichiro Ohtsuka
    • G02 - OPTICS