Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217320 | Magnetically clamping a downhole component to a direction of a borehole casing | Tatsuki Endo, Shantonu Ray, Koichi Naito | 2015-12-22 |
| 7757782 | Methods and apparatus for navigating a tool downhole | Hitoshi Tashiro, Joonhyung Bae, Ahmed Tahoun | 2010-07-20 |
| 7707878 | Circulation pump for circulating downhole fluids, and characterization apparatus of downhole fluids | Kazumasa Kanayama, Shunetsu Onodera, Hitoshi Sugiyama, Hideki Kinjo | 2010-05-04 |