Tzong-Ming Yeh

Person

  • Taipei, TW

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for molding plastic lenses

    • Patent number 5,415,817
    • Issue date May 16, 1995
    • Industrial Technology Research Institute
    • Po-Ling Shiao
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL