Dropout voltage generation circuit, switching power supply and dropout voltage generation method
US-12489354-B2 · Dec 2, 2025 · US
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Joulwatt Tech Hangzhou Co Ltd patents
Joulwatt Tech Hangzhou Co Ltd holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 1 |
| First publication | Jul 5, 2018 |
| Latest publication | Dec 2, 2025 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Dimming Circuit, Dimming Method and LED Driving Circuit
US-2018192491-A1 · Jul 5, 2018 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 2 |
| Operations & Transport | 1 |
| Chemistry & Metallurgy | 1 |
| Fixed Constructions | 1 |
| Physics | 1 |
| Cross-Sectional Technologies | 1 |