Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12376319 | Support shield structures for trenched semiconductor devices | Woongsun Kim, Daniel Jenner Lichtenwalner, Madankumar Sampath, Sei-Hyung Ryu | 2025-07-29 |
| 12279448 | Trench bottom shielding methods and approaches for trenched semiconductor device structures | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2025-04-15 |
| 12278284 | Power semiconductor devices including a trenched gate and methods of forming such devices | Daniel Jenner Lichtenwalner, Sei-Hyung Ryu, Woongsun Kim, Matthew N. McCain, Joe W. McPherson | 2025-04-15 |
| 12176423 | FinFET power semiconductor devices | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2024-12-24 |
| 12094926 | Sidewall dopant shielding methods and approaches for trenched semiconductor device structures | Daniel Jenner Lichtenwalner, Woongsun Kim, Sei-Hyung Ryu | 2024-09-17 |
| 12080790 | Power semiconductor devices including angled gate trenches | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2024-09-03 |
| 12009389 | Edge termination for power semiconductor devices and related fabrication methods | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2024-06-11 |
| 11837657 | Gate trench power semiconductor devices having improved deep shield connection patterns | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2023-12-05 |
| 11764295 | Gate trench power semiconductor devices having improved deep shield connection patterns | Woongsun Kim, Sei-Hyung Ryu, Daniel Jenner Lichtenwalner | 2023-09-19 |
| 11664434 | Semiconductor power devices having multiple gate trenches and methods of forming such devices | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2023-05-30 |
| 11640990 | Power semiconductor devices including a trenched gate and methods of forming such devices | Daniel Jenner Lichtenwalner, Sei-Hyung Ryu, Woongsun Kim, Matt N. McCain, Joe W. McPherson | 2023-05-02 |
| 11610991 | Gate trench power semiconductor devices having improved deep shield connection patterns | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2023-03-21 |
| 11355630 | Trench bottom shielding methods and approaches for trenched semiconductor device structures | Woongsun Kim, Daniel Jenner Lichtenwalner, Sei-Hyung Ryu | 2022-06-07 |