Inventor · disambiguated record
Zhengyan He
Also filed as: HE ZHENGYAN
6 granted patents·6 pending applications·0 citations·filing 2018–2025
63Inventor score
Top patents by PatentIndex Score
12 records- 0165US11784552B2Power converter and related systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Oct 10, 2023·0 cites·14 claims
- 0263US2025192664A1Power converter and power supplyHUAWEI DIGITAL POWER TECH CO LTD·Filed 2025·Application pending·0 cites
- 0359US11437904B2Power converter and related systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Sep 6, 2022·0 cites·14 claims
- 0459US2025015017A1Semiconductor device, electronic apparatus, and semiconductor device manufacturing methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Application pending·0 cites
- 0556US12494717B2Direct current converter, communication device, and photovoltaic systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Granted Dec 9, 2025·0 cites·13 claims
- 0653US12470136B2Resonant switched capacitor direct current/direct current converter and power systemHUAWEI TECH CO LTD·Filed 2023·Granted Nov 11, 2025·0 cites·17 claims
- 0752US12119753B2DC/DC converter and method for controlling output voltage thereofHUAWEI TECH CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·20 claims
- 0852US2024258928A1Dc-dc converter arrangementHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 0948US12456923B2Switched-inductor power converter, communication system, and method coupled with leakage inductorHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Oct 28, 2025·0 cites·20 claims
- 1047US2023231480A1Switched-capacitor direct current/direct current converter, switching-mode power supply, and control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Application pending·0 cites
- 1137US2020024687A1Method for extracting and separating zirconium and hafnium in nitric acid mediumUNIV SOUTH CENTRAL NATIONALITI·Filed 2018·Application pending·0 cites
- 1237US2020024151A1Method of extracting and separating zirconium and hafnium from hydrochloric acid mediumUNIV SOUTH CENTRAL NATIONALITI·Filed 2018·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Zhengyan He files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →