Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9611735 | Image-based measurement of a fluid | Theodorus Tjhang, Tsutomu Yamate, Yutaka Imasato, Akira Kamiya | 2017-04-04 |
| 9429013 | Optical window assembly for an optical sensor of a downhole tool and method of using same | Cong Wang, Akira Kamiya, Hua Chen | 2016-08-30 |
| 8925379 | Downhole sensor systems and methods thereof | Tsutomu Yamate, Toru Terabayashi, Ricardo Vasques, Yuji Hosoda, Stephane Briquet | 2015-01-06 |
| 8434357 | Clean fluid sample for downhole measurements | Kai Hsu, Kentaro Indo, Sihar Marpaung, Peter S. Hegeman | 2013-05-07 |
| 8397561 | Downhole sensor systems and methods thereof | Tsutomu Yamate, Toru Terabayashi, Ricardo Vasques, Yuji Hosoda, Stephane Briquet | 2013-03-19 |
| 8109157 | Methods and apparatus of downhole fluids analysis | Tsuyoshi Yanase, Sihar Marpaung | 2012-02-07 |
| 7707878 | Circulation pump for circulating downhole fluids, and characterization apparatus of downhole fluids | Ryuki Odashima, Shunetsu Onodera, Hitoshi Sugiyama, Hideki Kinjo | 2010-05-04 |
| 7331386 | Anchor arm for seismic logging tool | Colin Wilson, William Brian Underhill | 2008-02-19 |