Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069913 | Method and apparatus for detecting acoustic activity in a subsurface formation | Emmanuel Coste, Brian Cho | 2011-12-06 |
| 8061047 | Active positioning of downhole devices using spherical motors | Juei Igarashi, Brian Cho, Hideyuki Kamei, Hitoshi Sugiyama, Hitoshi Tashiro | 2011-11-22 |