Inventor · disambiguated record
Yingyan He
Also filed as: HE YINGYAN
4 granted patents·1 citations·filing 2017–2023
55Inventor score
Top patents by PatentIndex Score
4 records- 0185US12294301B2Power supply circuit and light-emitting diode (LED) driving system using power supply circuitJOULWATT TECH CO LTD·Filed 2023·Granted May 6, 2025·1 cites·18 claims
- 0263US12119749B2Flyback converter, constant-current control method, and lighting systemJOULWATT TECH CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·20 claims
- 0346US10327296B2Dimming circuit, dimming method and LED driving circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jun 18, 2019·0 cites·12 claims
- 0441US10645780B2Control circuit and control method for lighting circuit, and lighting circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2019·Granted May 5, 2020·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →