Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9874082 | Downhole imaging systems and methods | Bonnie Powell, Yutaka Imasato, Yoshihiro Watanabe, Masatoshi Ishikawa | 2018-01-23 |
| 9759058 | Systems and methods for detecting movement of drilling/logging equipment | — | 2017-09-12 |
| 9719342 | Drill bit assembly imaging systems and methods | Masatoshi Ishikawa | 2017-08-01 |
| 9670775 | Methods and systems for downhole fluid analysis | Masatoshi Ishikawa | 2017-06-06 |
| 9611735 | Image-based measurement of a fluid | Tsutomu Yamate, Yutaka Imasato, Akira Kamiya, Kazumasa Kanayama | 2017-04-04 |
| 9584711 | Imaging methods and systems for controlling equipment in remote environments | Masatoshi Ishikawa | 2017-02-28 |
| 9581011 | Downhole imaging systems and methods | — | 2017-02-28 |
| 9217797 | High-speed image monitoring of baseplate movement in a vibrator | John Richard Tulett, Emmanuel Coste, Halvor Sehested Groenaas, Timothy James Dean | 2015-12-22 |
| 8916816 | Imaging systems and image fiber bundles for downhole measurement | Yutaka Imasato, Shigeo Daito, Mohamad Nizam Harun, Masatoshi Ishikawa | 2014-12-23 |
| 8483445 | Imaging methods and systems for downhole fluid analysis | Osamu Osawa, Yutaka Imasato | 2013-07-09 |
| 8362916 | Methods and systems for borehole telemetry | Yuichi Kobayashi, David Santoso, Nalin Weerasinghe, Motohiro Nakanouchi | 2013-01-29 |