Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11280926 | Hydrophone having no internal leads | Chung Chang, Ife Ogbunuju | 2022-03-22 |
| 10330810 | Hydrophone having no internal leads | Chung Chang, Ife Ogbunuju | 2019-06-25 |
| 10156649 | Dual core locking geophone | R. Niemar, Wei-Hsuan Huang, Yongan Yan | 2018-12-18 |