Inventor
ROLAND HUEMPFNER
Inventor
DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks27%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems27%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution27%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
G06FElectric digital data processing5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
12,562,646Partial power converter202612,443,256Power supply system for a data centre202512,074,444Power system202412,051,905Power system202411,652,408Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy device202311,316,426Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy device202211,217,999Photovoltaic power generation inverter system2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to HUAWEI DIGITAL POWER TECH CO LTD (5)· patent assignee history
2022–2026Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2022–2026Based in DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI DIGITAL POWER TECH CO LTD | 5 | 2022–2025 |
| HUAWEI TECH CO LTD | 2 | 2022–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| DE | 7 | 2022–2026 |