Inventor · disambiguated record
Hangfeng Ji
Also filed as: JI HANGFENG
3 granted patents·8 citations·filing 2012–2020
56Inventor score
Top patents by PatentIndex Score
3 records- 0185US10798878B2Horticulture lighting system and horticulture production facility using such horticulture lighting systemPHILIPS LIGHTING HOLDING BV·Filed 2013·Granted Oct 13, 2020·8 cites·11 claims
- 0258US11602102B2Horticulture lighting system and horticulture production facility using such horticulture lighting systemSIGNIFY HOLDING BV·Filed 2020·Granted Mar 14, 2023·0 cites·8 claims
- 0335US9113584B2Printed circuit board assemblyJI HANGFENG·Filed 2012·Granted Aug 18, 2015·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →