Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534494 | Optical window assemblies | Akira Kamiya, Stephane Vannuffelen, Kamal Kader, Hua Chen | 2017-01-03 |
| 8908166 | Methods and apparatus for downhole fluid analysis | Hua Chen, Akira Kamiya, Stephane Vannuffelen | 2014-12-09 |