TREA

Akihiko Kuroiwa

Follow

Person

  • Yokohama, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical recording medium
    • Patent number 6,194,121
    • Issue date Feb 27, 2001
    • TDK Corp.
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording medium
    • Patent number 5,741,623
    • Issue date Apr 21, 1998
    • TDK Corporation
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording medium
    • Patent number 5,670,295
    • Issue date Sep 23, 1997
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording medium
    • Patent number 5,512,416
    • Issue date Apr 30, 1996
    • TDK Corporation
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Light emitting power supply circuit
    • Patent number 5,323,305
    • Issue date Jun 21, 1994
    • Daichi Co., Ltd.
    • Takaaki Ikeda
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    A pit-forming optical recording media and process for producing the...
    • Patent number 5,137,798
    • Issue date Aug 11, 1992
    • Imperial Chemical Industries PLC
    • Peter J. Duggan
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    EL operating power supply circuit
    • Patent number 5,027,040
    • Issue date Jun 25, 1991
    • Daichi Company, Ltd.
    • Takaaki Ikeda
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical recording medium having a liquid crystal layer
    • Patent number 4,752,820
    • Issue date Jun 21, 1988
    • TDK Corporation
    • Akihiko Kuroiwa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording disk
    • Patent number 4,739,345
    • Issue date Apr 19, 1988
    • TDK Corporation
    • Kenryo Namba
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Optical recording medium
    • Patent number 4,735,889
    • Issue date Apr 5, 1988
    • TDK Corporation
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording medium
    • Patent number 4,713,314
    • Issue date Dec 15, 1987
    • TDK Corporation
    • Kenryo Namba
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for erasing a light recording medium
    • Patent number 4,599,718
    • Issue date Jul 8, 1986
    • TDK Electronics Co., Ltd.
    • Shiro Nakagawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording system
    • Patent number 4,516,234
    • Issue date May 7, 1985
    • TDK Electronics Co., Ltd.
    • Shiro Nakagawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Light recording medium
    • Patent number 4,412,231
    • Issue date Oct 25, 1983
    • TDK Electronics Co., Ltd.
    • Kenryo Namba
    • G11 - INFORMATION STORAGE