TREA

Hideaki Katoh

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surface light source device
    • Patent number 5,769,522
    • Issue date Jun 23, 1998
    • Enplas Corporation
    • Isamu Kaneko
    • G02 - OPTICS
  • Information Patent Grant

    Surface light source device
    • Patent number 5,655,827
    • Issue date Aug 12, 1997
    • Enplas Corporation
    • Isamu Kaneko
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Illumination device
    • Patent number 5,641,225
    • Issue date Jun 24, 1997
    • Enplas Corporation
    • Hideaki Katoh
    • F21 - LIGHTING
  • Information Patent Grant

    Illumination device
    • Patent number 5,420,771
    • Issue date May 30, 1995
    • Dai-Ichi Seiko Co., Ltd.
    • Hideaki Katoh
    • F21 - LIGHTING
  • Information Patent Grant

    Surface light source device
    • Patent number 5,414,599
    • Issue date May 9, 1995
    • Enplas Corporation
    • Isamu Kaneko
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Illumination device
    • Patent number 5,186,537
    • Issue date Feb 16, 1993
    • Dai-Ichi Seiko Co., Ltd.
    • Hideaki Katoh
    • F21 - LIGHTING
  • Information Patent Grant

    Illumination device
    • Patent number 5,144,539
    • Issue date Sep 1, 1992
    • Dai-Ichi Seiko Co., Ltd.
    • Hideaki Katoh
    • F21 - LIGHTING
  • Information Patent Grant

    Illumination device
    • Patent number 5,105,345
    • Issue date Apr 14, 1992
    • Dai-Ichi Seiko Co., Ltd.
    • Hideaki Katoh
    • F21 - LIGHTING
  • Information Patent Grant

    Illumination device
    • Patent number 5,101,331
    • Issue date Mar 31, 1992
    • Dai-Ichi Seiko Co., Ltd.
    • Hideaki Katoh
    • F21 - LIGHTING
  • Information Patent Grant

    Illumination device
    • Patent number 5,038,259
    • Issue date Aug 6, 1991
    • Dai-Ichi Seiko Co., Ltd.
    • Hideaki Katoh
    • F21 - LIGHTING