Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708063 | Hybrid electric vehicle and method of operating engine of the same | Mark Allen Bourcier, Nahm Roh Joo, Shengrong Zhu, Philip Zoldak | 2023-07-25 |
| 11459995 | Combustion engine mode optimization | Kyoung Pyo Ha, Shengrong Zhu, Philip Zoldak, Jeffrey Hollowell, Mark Shirley +1 more | 2022-10-04 |