Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231716 | Method and apparatus for determining trailer dimensions in a motor vehicle | Hongguang Sun, Yun Qian Miao | 2022-01-25 |
| 10473925 | System and method for utilizing inertial force for water displacement | Michael D. Alarcon, Norman J. Weigert, Hongguang Sun | 2019-11-12 |
| 7155329 | Vehicle deceleration display system and calculation method | Norman J. Weigert | 2006-12-26 |