P

Inventor

KAMATA MASAHIRO

JP30 patents
⚠️ This page may combine multiple inventors who share the name “KAMATA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

16 patents
US7187620B2Mar 6, 2007

Method and apparatus for borehole sensing

SCHLUMBERGER TECHNOLOGY CORP54 citations94
US7225662B2Jun 5, 2007

Geophone calibration technique

SCHLUMBERGER TECHNOLOGY CORP39 citations92
US7099235B2Aug 29, 2006

Geophone and method of manufacturing a geophone

SCHLUMBERGER TECHNOLOGY CORP18 citations92
US7894297B2Feb 22, 2011

Methods and apparatus for borehole sensing including downhole tension sensing

SCHLUMBERGER TECHNOLOGY CORP29 citations91
US7696901B2Apr 13, 2010

Methods and apparatus for photonic power conversion downhole

SCHLUMBERGER TECHNOLOGY CORP22 citations91
US5044460ASep 3, 1991

Downhole seismic exploration device and apparatus

SCHLUMBERGER TECHNOLOGY CORP27 citations90
US4953136AAug 28, 1990

Downhole seismic exploration device and apparatus

SCHLUMBERGER TECHNOLOGY CORP42 citations90
US7171851B2Feb 6, 2007

Temperature compensated strain measurement

SCHLUMBERGER TECHNOLOGY CORP10 citations84
US8027225B2Sep 27, 2011

Methods and systems for seismic sensors

SCHLUMBERGER TECHNOLOGY CORP12 citations82
US7567485B2Jul 28, 2009

Method and apparatus for borehole sensing

SCHLUMBERGER TECHNOLOGY CORP8 citations79
US7929379B2Apr 19, 2011

Methods and systems for seismic sensors

SCHLUMBERGER TECHNOLOGY CORP5 citations71
US9435644B2Sep 6, 2016

Digital compensation for non-linearity in displacement sensors

SCHLUMBERGER TECHNOLOGY CORP2 citations63
US7639566B2Dec 29, 2009

Geophone securement mechanism

SCHLUMBERGER TECHNOLOGY CORP4 citations62
US7688674B2Mar 30, 2010

Methods and apparatus for performing moving checkshots

SCHLUMBERGER TECHNOLOGY CORP6 citations61
US9612350B2Apr 4, 2017

Controlled damping geophone

SCHLUMBERGER TECHNOLOGY CORP0 citations52
US9036449B2May 19, 2015

Methods and systems for deploying seismic devices

SCHLUMBERGER TECHNOLOGY CORP0 citations51

KAMATA MASAHIRO

12 patents

AJINOMOTO KK

1 patent

WESTERNGECO LLC

1 patent