MN

Masaru Niwa

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
Overall (All Time): #1,629,897 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6111340 Dual-mode thickness-shear quartz pressure sensors for high pressure and high temperature applications Bikash K. Sinha, Noriyuki Matsumoto, Yukio Sudo 2000-08-29
5201220 Apparatus and method for detecting the presence of gas in a borehole flow stream Oliver C. Mullins, Daniel R. Hines, Kambiz A. Safinya 1993-04-13
5167149 Apparatus and method for detecting the presence of gas in a borehole flow stream Oliver C. Mullins, Daniel R. Hines, Kambiz A. Safinya 1992-12-01