Inventor · disambiguated record
Masaru Niwa
Also filed as: NIWA MASARU
3 granted patents·322 citations·filing 1990–1999
78Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP3
Top patents by PatentIndex Score
3 records- 0190US5201220AApparatus and method for detecting the presence of gas in a borehole flow streamSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Apr 13, 1993·144 cites·10 claims
- 0290US5167149AApparatus and method for detecting the presence of gas in a borehole flow streamSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Dec 1, 1992·152 cites·10 claims
- 0367US6111340ADual-mode thickness-shear quartz pressure sensors for high pressure and high temperature applicationsSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Aug 29, 2000·26 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →