Inventor · disambiguated record
Zhengfang Xu
Also filed as: XU ZHENGFANG
8 granted patents·131 citations·filing 2000–2023
86Inventor score
Top patents by PatentIndex Score
8 records- 0192US6372863B1Synthesis of styrene-butadiene rubberGOODYEAR TIRE & RUBBER·Filed 2000·Granted Apr 16, 2002·52 cites·15 claims
- 0286US6566478B1Synthesis of high vinyl rubberGOODYEAR TIRE & RUBBER·Filed 2002·Granted May 20, 2003·25 cites·39 claims
- 0384US6780948B2Synthesis of polyisoprene with neodymium catalystGOODYEAR TIRE & RUBBER·Filed 2003·Granted Aug 24, 2004·23 cites·25 claims
- 0482US6313216B1Synthesis of styrene-isoprene rubberGOODYEAR TIRE & RUBBER·Filed 2000·Granted Nov 6, 2001·21 cites·20 claims
- 0571USD1021258SNail drill machineFOSHAN UV TECH CO LTD·Filed 2021·Granted Apr 2, 2024·5 cites·1 claims
- 0670USD1028364SNail drill machineFOSHAN UV TECH CO LTD·Filed 2021·Granted May 21, 2024·5 cites·1 claims
- 0736USD1079131SNail drillFOSHAN YOUWEI TECH CO LTD·Filed 2023·Granted Jun 10, 2025·0 cites·1 claims
- 0828USD1065687SNail drillFOSHAN YOUWEI TECH CO LTD·Filed 2023·Granted Mar 4, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →