TREA

Norio Adachi

Follow

Person

  • Miyagi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical disc having groove and land tracks
    • Patent number 6,501,728
    • Issue date Dec 31, 2002
    • Sony Corporation
    • Takeshi Koizumi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 6,268,043
    • Issue date Jul 31, 2001
    • Sony Corporation
    • Takeshi Koizumi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,997,987
    • Issue date Dec 7, 1999
    • Sony Corporation
    • Takeshi Koizumi
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents