Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407174 | Seat suspension installation method and passenger seat | Guo Ying Zheng | 2019-09-10 |
| 9783304 | Headrest structure, headrest cushion and passenger seat | Guo Ying Zheng, Teruo Sawada | 2017-10-10 |