Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8411529 | Walkaway VSP calibrated sonic logs | Stephen Allan Horne | 2013-04-02 |
| 8401796 | Methods and systems for acoustically monitoring formations | Yoko Morikami, Hitoshi Sugiyama, Shunetsu Onodera, Vanessa Dreuillault, Shin'ichi Houshuyama | 2013-03-19 |
| 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 |