Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1095376 | Wheel hub | Haibo Zeng, Martijn Hans Van Gelderen, Xiaojian Zhang, Thomas Stokhof De Jong, Yunlin ZENG | 2025-09-30 |
| D1095377 | Wheel | Haibo Zeng, Martijn Hans Van Gelderen, Xiaojian Zhang, Thomas Stokhof De Jong, Yunlin ZENG | 2025-09-30 |
| D1095378 | Wheel hub | Haibo Zeng, Martijn Hans Van Gelderen, Xiaojian Zhang, Thomas Stokhof De Jong, Yunlin ZENG | 2025-09-30 |
| D1095379 | Wheel hub | Haibo Zeng, Martijn Hans Van Gelderen, Xiaojian Zhang, Thomas Stokhof De Jong, Yunlin ZENG | 2025-09-30 |
| D1068572 | Infant walker | Thomas Stokhof De Jong, Martijn Hans Van Gelderen | 2025-04-01 |
| D1039451 | Infant walker | Thomas Stokhof De Jong, Martijn Hans Van Gelderen | 2024-08-20 |
| D1039450 | Infant walker | Thomas Stokhof De Jong, Martijn Hans Van Gelderen | 2024-08-20 |
| D989663 | Cart | Martijn Hans Van Gelderen, Xiaojian Zhang, Yuya Su, Lingyi Lo, Iting Yeh | 2023-06-20 |
| D983703 | Cart | Martijn Hans Van Gelderen, Xiaojian Zhang, Yuya Su, Lingyi Lo, Iting Yeh | 2023-04-18 |