Inventor · disambiguated record
Kazumasa Kanayama
Also filed as: KANAYAMA KAZUMASA
8 granted patents·67 citations·filing 2004–2014
85Inventor score
Top patents by PatentIndex Score
8 records- 0176US8109157B2Methods and apparatus of downhole fluids analysisKANAYAMA KAZUMASA·Filed 2008·Granted Feb 7, 2012·26 cites·16 claims
- 0276US7707878B2Circulation pump for circulating downhole fluids, and characterization apparatus of downhole fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 4, 2010·9 cites·25 claims
- 0375US9611735B2Image-based measurement of a fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Apr 4, 2017·2 cites·16 claims
- 0473US8397561B2Downhole sensor systems and methods thereofYAMATE TSUTOMU·Filed 2010·Granted Mar 19, 2013·5 cites·17 claims
- 0566US8925379B2Downhole sensor systems and methods thereofSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jan 6, 2015·2 cites·16 claims
- 0665US8434357B2Clean fluid sample for downhole measurementsHSU KAI·Filed 2009·Granted May 7, 2013·9 cites·22 claims
- 0757US9429013B2Optical window assembly for an optical sensor of a downhole tool and method of using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 30, 2016·1 cites·20 claims
- 0854US7331386B2Anchor arm for seismic logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Feb 19, 2008·13 cites·28 claims
Join the waitlist — get patent alerts
Get an alert when Kazumasa Kanayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →