Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187646 | Synchronous single-liquid grouting slurry, its technology and application for large diameter shield engineering under water-rich, high-pressure and weak soil strata conditions | Fei Sha, Jian-Ying Chen, Zhe Zhang, Peng Chen, Jianyong Zhang +13 more | 2025-01-07 |
| 10021736 | Skip RX during SBS transmission | Olaf Hirsch, Guido Robert Frederiks, Zhanfeng Jia, Youhan Kim, Ning Zhang | 2018-07-10 |
| 9819477 | Align transmissions for SBS | Olaf Hirsch, Guido Robert Frederiks, Zhanfeng Jia, Youhan Kim, Ning Zhang | 2017-11-14 |