Chi Chiu Kwok

Person

  • San Jose, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Headphones with asymmetric coupling

    • Patent number 8,891,798
    • Issue date Nov 18, 2014
    • Amazon Technologies, Inc.
    • Emmanuel J M Laffon de Mazieres
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE