Assignee
ZHANG GUOHUA
CN·1 granted patent·2 pending applications·4 citations·filing 2002–2009
Top patents by PatentIndex Score
3 records- 0166US9106672B2Method and apparatus for performing multiple forms of communications in one sessionZHANG GUOHUA·Filed 2009·Granted Aug 11, 2015·4 cites·20 claims
- 0235US2007079948A1Manufacturing Method of Semi-Finished Piston with Inner Cooling Channel through Liquid Extrusion ProcessZHANG GUOHUA·Filed 2006·Application pending·0 cites
- 0329US2004225388A1Fully digitized audio systemZHANG GUOHUA·Filed 2002·Application pending·0 cites
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