TREA

Hiroshi Futami

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for dyeing plastic lens
    • Patent number 8,992,634
    • Issue date Mar 31, 2015
    • Hoya Corporation
    • Takaaki Kubotera
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUS FOR DYEING PLASTIC LENS
    • Publication number 20110023243
    • Publication date Feb 3, 2011
    • Takaaki Kubotera
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL