Inventor · disambiguated record

Huang Duan

Also filed as: DUAN HUANG

2 granted patents·2 citations·filing 2013–2016

37Inventor score

Technology areasA24B

Files withSHANGHAI JUHUA SCIENCE AND TECH CO LTD2

Top patents by PatentIndex Score

2 records

0171US10098377B2Process and apparatus for improving raw tobaccoSHANGHAI JUHUA SCIENCE AND TECH CO LTD·Filed 2016·Granted Oct 16, 2018·2 cites·13 claims
0243US9480283B2Process and apparatus for improving raw tobaccoSHANGHAI JUHUA SCIENCE AND TECH CO LTD·Filed 2013·Granted Nov 1, 2016·0 cites·9 claims

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Huang Duan — Patent Inventor | PatentIndex