Inventor · disambiguated record

Youjun Feng

Also filed as: FENG YOUJUN

1 granted patent·10 citations·filing 2016–2016

32Inventor score

Technology areasA42B

Files withJIANGMEN PENGCHENG HELMETS LTD1

Top patents by PatentIndex Score

1 record

0177US10143259B2Helmet with transformable jaw protecting structure based on gear constraintJIANGMEN PENGCHENG HELMETS LTD·Filed 2016·Granted Dec 4, 2018·10 cites·20 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →