Hein Roehrig

Person

  • San Francisco, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Searching using access controls

    • Patent number 9,141,656
    • Issue date Sep 22, 2015
    • Google Inc.
    • Mikhail Lopyrev
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Social identity clustering

    • Patent number 9,064,002
    • Issue date Jun 23, 2015
    • Google Inc.
    • Zoltan I. Gyongyi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Social identity clustering

    • Patent number 8,626,835
    • Issue date Jan 7, 2014
    • Google Inc.
    • Zoltan I. Gyongyi
    • G06 - COMPUTING CALCULATING COUNTING