Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184296 | Drilling system with flow control valve | Nobuyoshi Niina | 2019-01-22 |
| 9435157 | Bottom hole assembly including bi-stable valves | — | 2016-09-06 |
| 9140114 | Instrumented drilling system | Cedric Perrin, Christopher C. Bogath, Michael Pearce | 2015-09-22 |
| 9121223 | Drilling system with flow control valve | Nobuyoshi Niina | 2015-09-01 |
| 8919459 | Control systems and methods for directional drilling utilizing the same | — | 2014-12-30 |
| 8739862 | System for controlling flow of an actuating fluid | Nobuyoshi Niina | 2014-06-03 |
| 8602104 | Bi-stable valve | — | 2013-12-10 |