TREA

Takayuki Miyakawa

Follow

Person

  • Kamifukuoka-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical transmission line
    • Patent number 6,748,178
    • Issue date Jun 8, 2004
    • DDI Corporation
    • Takayuki Miyakawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Raman amplifier
    • Patent number 6,519,078
    • Issue date Feb 11, 2003
    • KDD Submarine Cable Systems, Inc.
    • Takayuki Miyakawa
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Raman amplifier
    • Publication number 20020001123
    • Publication date Jan 3, 2002
    • Takayuki Miyakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical transmission line
    • Publication number 20010021291
    • Publication date Sep 13, 2001
    • Takayuki Miyakawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE