Inventor · disambiguated record
Roland Huempfner
Also filed as: HUEMPFNER ROLAND
7 granted patents·1 pending application·7 citations·filing 2020–2024
74Inventor score
Top patents by PatentIndex Score
8 records- 0190US11316426B2Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy deviceHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Apr 26, 2022·4 cites·20 claims
- 0282US12074444B2Power systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Aug 27, 2024·1 cites·32 claims
- 0382US11011990B2Power converterHUAWEI TECH CO LTD·Filed 2020·Granted May 18, 2021·2 cites·19 claims
- 0467US11652408B2Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy deviceHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted May 16, 2023·0 cites·20 claims
- 0558US12051905B2Power systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jul 30, 2024·0 cites·20 claims
- 0657US12443256B2Power supply system for a data centreHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·8 claims
- 0756US11217999B2Photovoltaic power generation inverter systemHUAWEI TECH CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·13 claims
- 0852US2024258928A1Dc-dc converter arrangementHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →