Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061048 | Apparatus for azimuth measurements using gyro sensors | Tsunehiko Imamura, Shigeru Sato, Juei Igarashi, Tsutomu Yamate | 2011-11-22 |
| 7937223 | Downhole fluid analysis | Reinhart Ciglenec, Stephane Vannuffelen, Steven G. Villareal, Tsutomu Yamate | 2011-05-03 |
| 7874689 | Display device | Seigo Tane, Satoshi Sugiura | 2011-01-25 |