Assignee
ZHANG LIWEN
CN·1 granted patent·2 pending applications·15 citations·filing 2005–2012
Top patents by PatentIndex Score
3 records- 0186US8328878B2Yarn of animal collagen fiber and manufacture process thereofZHANG LIWEN·Filed 2005·Granted Dec 11, 2012·15 cites·14 claims
- 0239US2012295505A1Reducing leather and method for preparing the sameZHANG LIWEN·Filed 2010·Application pending·0 cites
- 0330US2012289268A1Method and device for acquiring a path lossZHANG LIWEN·Filed 2012·Application pending·0 cites
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