Inventor · disambiguated record
Zhenqing Hu
Also filed as: HU ZHENQING
8 granted patents·5 pending applications·29 citations·filing 2009–2020
82Inventor score
Top patents by PatentIndex Score
13 records- 0191US7776163B2Lead-free free-cutting aluminum brass alloy and its manufacturing methodXIAMEN LOTA INT CO LTD·Filed 2009·Granted Aug 17, 2010·11 cites·9 claims
- 0286US8273193B2Lead-free, bismuth-free free-cutting silicon brass alloyXU CHANKAI·Filed 2010·Granted Sep 25, 2012·11 cites·7 claims
- 0378US8273192B2Lead-free, bismuth-free free-cutting phosphorous brass alloyXU CHUANKAI·Filed 2009·Granted Sep 25, 2012·4 cites·4 claims
- 0471US8580191B2Brass alloys having superior stress corrosion resistance and manufacturing method thereofXU CHUANKAI·Filed 2010·Granted Nov 12, 2013·1 cites·12 claims
- 0570US8425697B2Tin-free lead-free free-cutting magnesium brass alloyXU CHUANKAI·Filed 2009·Granted Apr 23, 2013·1 cites·13 claims
- 0664US8568656B2Environment-friendly manganese brass alloy and manufacturing method thereofHU ZHENQING·Filed 2011·Granted Oct 29, 2013·1 cites·19 claims
- 0760US11028464B2Lead-free easy-to-cut corrosion-resistant brass alloy with good thermoforming performanceXIAMEN LOTA INT CO LTD·Filed 2014·Granted Jun 8, 2021·0 cites·11 claims
- 0859US2009311130A1Tin-free, lead-free free-cutting magnesium brass alloy and its manufacturing methodXU CHUANKAI·Filed 2009·Application pending·0 cites
- 0958US2010135848A1Lead-free free-cutting silicon brass alloyXU CHUANKAI·Filed 2009·Application pending·0 cites
- 1057US11028465B2Low-cost lead-free dezincification-resistant brass alloy for castingXIAMEN LOTA INT CO LTD·Filed 2016·Granted Jun 8, 2021·0 cites·16 claims
- 1150US2009311126A1Lead-free free-cutting phosphorous brass alloy and its manufacturing methodXU CHUANKAI·Filed 2009·Application pending·0 cites
- 1250US2010155011A1Lead-Free Free-Cutting Aluminum Brass Alloy And Its Manufacturing MethodXU CHUANKAI·Filed 2009·Application pending·0 cites
- 1347US2022042143A1Zinc alloy and manufacturing method thereofLOTA XIAMEN IND CO LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →