Split-gate power MOS device and manufacturing method thereof
US-12581679-B2 · Mar 17, 2026 · US
Silicon Magic Semiconductor Tech Hangzhou Co Ltd patents
Silicon Magic Semiconductor Tech Hangzhou Co Ltd holds 5 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 5 |
| Recent patents | 5 |
| First publication | Nov 11, 2025 |
| Latest publication | Mar 17, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Super-junction device
US-12520541-B2 · Jan 6, 2026 · US
Silicon carbide power semiconductor device having reduced specific on-resistance
US-12501674-B2 · Dec 16, 2025 · US
Manufacturing method of trench-type power device
US-12495563-B2 · Dec 9, 2025 · US
Method for manufacturing trench-gate MOSFET
US-12469706-B2 · Nov 11, 2025 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Split-gate power MOS device and manufacturing method thereof
US-12581679-B2 · Mar 17, 2026 · US
Super-junction device
US-12520541-B2 · Jan 6, 2026 · US
Silicon carbide power semiconductor device having reduced specific on-resistance
US-12501674-B2 · Dec 16, 2025 · US
Manufacturing method of trench-type power device
US-12495563-B2 · Dec 9, 2025 · US
Method for manufacturing trench-gate MOSFET
US-12469706-B2 · Nov 11, 2025 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 5 |
| Cross-Sectional Technologies | 1 |
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Silicon Magic Semiconductor Tech Hangzhou Co Ltd have in patentsdb?
- Silicon Magic Semiconductor Tech Hangzhou Co Ltd is linked to 5 publications as assignee in our database.
- What technology areas does Silicon Magic Semiconductor Tech Hangzhou Co Ltd patent most?
- Top mapped technology areas by patent count: Electricity (5); Cross-Sectional Technologies (1).
- Is Silicon Magic Semiconductor Tech Hangzhou Co Ltd's patent activity growing?
- In our data, assignee counts were 3 in 2025 and 2 in 2026 (lower year over year).
- What are recent patents assigned to Silicon Magic Semiconductor Tech Hangzhou Co Ltd?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.