Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087748 | Method, apparatus and system for safe mode telemetry system | Nalin Weerasinghe, Maduranga Liyanage | 2018-10-02 |
| 7720323 | High-temperature downhole devices | Tsutomu Yamate, Soon Seong Chee, Stephane Vannuffelen, Colin Wilson, Juei Igarashi +1 more | 2010-05-18 |
| 7675030 | Logging system and method for in-situ fluids sensing through optical fiber with attenuation compensation | Stephane Vannuffelen, Tsutomu Yamate | 2010-03-09 |