Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10539698 | Determining a quantitative bond using signal attenuation | Vivian Pistre | 2020-01-21 |
| 10392920 | Method and system of quantitative cement evaluation using logging while drilling | Wataru Izuhara, Hiroshi Hori, Vivian Pistre | 2019-08-27 |
| 9927541 | Apparatus for monopole and multipole sonic logging of a downhole formation | Naoki Sakiyama, Hitoshi Sugiyama, Yuichiro WADA, Toshimichi Wago, Akito SHIGEKANE | 2018-03-27 |
| 9823375 | Apparatus for logging while drilling acoustic measurement | Hiroshi Nakajima, Hiroshi Hori, Alain Dumont, Hiroshi Nomura | 2017-11-21 |
| 9746568 | Methods, systems and devices for generating slowness-frequency projection logs | Hiroaki Yamamoto, Takeshi Fukushima | 2017-08-29 |
| 9476293 | Transducer assembly for a downhole tools | Hiroshi Nakajima, Takeo Fujihara, Yasuo Kanaya | 2016-10-25 |
| 8902701 | Methods, apparatus and articles of manufacture to determine anisotropy indicators for subterranean formations | Alain Dumont | 2014-12-02 |
| 8286475 | Transducer assemblies for downhole tools | Hiroshi Nakajima, Takeo Fujihara, Yasuo Kanaya | 2012-10-16 |
| 7902454 | Solar cell, solar cell module, and method of manufacturing the solar cell | — | 2011-03-08 |
| 7550919 | Organic electroluminescent device with reduced initial drive voltage and manufacturing method thereof | — | 2009-06-23 |
| 7334661 | Acoustic logging tool sleeve | Jahir Pabon, Chung Chang, David Johnson, Vivian Pistre, Tarek M. Habashy +4 more | 2008-02-26 |
| 6914182 | Method of installing solar cell modules, and solar cell module | Katsutoshi Takeda | 2005-07-05 |
| 6552258 | Solar cell module | Yukihiro Yoshimine | 2003-04-22 |
| 6080998 | Amorphous silicon germanium thin film and photovoltaic element | Masaki Shima, Masao Isomura | 2000-06-27 |
| 4329764 | Stepped combination apparatus | Yoshikazu Sakaue, Tatsuo Mitsunaga | 1982-05-18 |
| 4304033 | Stepped combination apparatus | Yoshikazu Sakaue, Tatsuo Mitsunaga | 1981-12-08 |