Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10539698 | Determining a quantitative bond using signal attenuation | Toshihiro Kinoshita | 2020-01-21 |
| 10392920 | Method and system of quantitative cement evaluation using logging while drilling | Wataru Izuhara, Hiroshi Hori, Toshihiro Kinoshita | 2019-08-27 |
| 8913460 | Methods and apparatus to calculate a distance from a borehole to a boundary of an anisotropic subterranean rock layer | Jakob Haldorsen | 2014-12-16 |
| 8223586 | Method and system to determine the geo-stresses regime factor Q from borehole sonic measurement modeling | GongRui Yan, Bikash K. Sinha, Romain Charles Andre Prioul | 2012-07-17 |
| 7554882 | Methods and systems for calibrating acoustic receivers | Fernando Garcia-Osuna, Toru Ikegami, Shu-Kong Chang, Yoko Morikami | 2009-06-30 |
| 7334661 | Acoustic logging tool sleeve | Jahir Pabon, Chung Chang, David Johnson, Tarek M. Habashy, Smaine Zeroug +4 more | 2008-02-26 |
| 6654688 | Processing sonic waveform measurements | Alain Brie, Takeshi Endo, Henri-Pierre Valero, Yoshiyuki Saiki | 2003-11-25 |