Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291597 | Polybutylene terephthalate composition and article thereof | Qiong Jie Han, Roland Helmut Kraemer, Zhen WEI | 2025-05-06 |
| 12129375 | Polybutylene terephthalate composition and a composite of plastic/metal hybrid | Zhen WEI, Qiong Jie Han, Roland Helmut Kraemer, Dai Watanabe, Zhenguo Liu | 2024-10-29 |
| 9413110 | Embedded short leaf-spring-equipped crystal head and extractor thereof | — | 2016-08-09 |