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Kirk K. S. Hwang

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  • Woodbury, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disposable products
    • Patent number 4,902,553
    • Issue date Feb 20, 1990
    • Minnesota Mining and Manufacturing Company
    • Kirk K. Hwang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Porous film
    • Patent number 4,824,718
    • Issue date Apr 25, 1989
    • Minnesota Mining and Manufacturing Company
    • Kirk K. Hwang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for making optical devices
    • Patent number 4,786,444
    • Issue date Nov 22, 1988
    • Minnesota Mining and Manufacturing Company
    • Kirk K. S. Hwang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL