TREA

Oscar Lopez

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  • San Diego, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing a sound transducer
    • Patent number 10,212,521
    • Issue date Feb 19, 2019
    • Nokia Technologies Oy
    • Shengrong Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound transducer
    • Patent number 9,584,921
    • Issue date Feb 28, 2017
    • Nokia Technologies Oy
    • Shengrong Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Sound Transducer
    • Publication number 20190141454
    • Publication date May 9, 2019
    • Nokia Technologies Oy
    • Shengrong SHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound Transducer
    • Publication number 20170134864
    • Publication date May 11, 2017
    • Nokia Technologies Oy
    • Shengrong SHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound Transducer
    • Publication number 20160021460
    • Publication date Jan 21, 2016
    • Nokia Corporation
    • Shengrong Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE