Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7644611 | Downhole fluid analysis for production logging | Akira Kamiya, Gary Oddie, Tsutomu Yamate, Oliver C. Mullins, Bhavani Raghuraman +8 more | 2010-01-12 |
| 7609380 | Real-time calibration for downhole spectrometer | Takeaki Nakayama, Tsutomu Yamate, Toru Terabayashi, Akira Otsuka, Kentaro Indo | 2009-10-27 |
| 7520160 | Electrochemical sensor | Michael Mallari Toribio, Akira Kamiya, Noriyuki Matsumoto, Jimmy Lawrence | 2009-04-21 |
| 7515774 | Methods and apparatus for single fiber optical telemetry | Tsutomu Yamate, Bruno Gayral, Soon Seong Chee, Colin Wilson | 2009-04-07 |
| 7511813 | Downhole spectral analysis tool | Kentaro Indo, Toru Terabayashi, Tsutomu Yamate | 2009-03-31 |
| 7379180 | Method and apparatus for downhole spectral analysis of fluids | Akira Kamiya, Masaki Miyashita, Kentaro Indo, Reinhart Ciglenec, Tsutomu Yamate | 2008-05-27 |
| 7336356 | Method and apparatus for downhole spectral analysis of fluids | Kentaro Indo, Go Fujisawa, Toru Terabayashi, Tsutomu Yamate | 2008-02-26 |
| 6606915 | Method for measuring oscillation frequency of a fluid jet in a fluidic oscillator | — | 2003-08-19 |