TREA

Haruyuki Ohashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic lens
    • Patent number 6,219,191
    • Issue date Apr 17, 2001
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Makoto Iwaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic lens
    • Patent number 6,144,500
    • Issue date Nov 7, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Makoto Iwaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL