Inventor

YAMATE TSUTOMU

JP52 patents

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

YAMATE TSUTOMU

SCHLUMBERGER TECHNOLOGY CORP

Permanent optical sensor downhole fluid analysis systems

Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors

Method and apparatus for downhole spectral analysis of fluids

Methods and apparatus of downhole fluid analysis

Method for measuring and calibrating measurements using optical fiber distributed sensor

Methods and apparatus for measuring differential pressure with fiber optic sensor systems

Method and apparatus for borehole sensing

Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber optic sensors

Downhole fluid analysis

Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids

High-temperature downhole devices

Systems and methods for downhole fluid compatibility

Real-time calibration for downhole spectrometer

Method and apparatus for downhole spectral analysis of fluids

Method for measuring using optical fiber distributed sensor

Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber optic sensor systems

Methods and apparatus for borehole sensing including downhole tension sensing

Methods and apparatus for photonic power conversion downhole

Methods and apparatus for single fiber optical telemetry

Apparatus for downhole fluids analysis utilizing micro electro mechanical system (MEMS) or other sensors

Method and system for azimuth measurements using gyro sensors

Downhole fluid analysis for production logging

Downhole spectral analysis tool

Measuring system with sweeping comb filter and multiplexer

Methods and apparatus for multi dimension fluorescence spectrum measurement and correlations downhole

Methods and apparatus for multi dimension fluorescence spectrum measurement downhole

Spectral imaging for downhole fluid characterization

Methods and apparatus for single fiber optical telemetry

Pressure measuring device and method

Downhole tool

Apparatus for azimuth measurements using gyro sensors

Method and apparatus for borehole sensing

Method and system for monitoring a condition of an elastic element used in a downhole tool

Resonator applications for langasite and its isomorphs

Image-based measurement of a fluid

Downhole sensor systems and methods thereof

Logging system and method for in-situ fluids sensing through optical fiber with attenuation compensation

Fluid analyzer using absorption spectroscopy

Fluid analyzer with plasma emission unit and method of using same

WU XU

Phase separation detection in downhole fluid sampling

MATSUMOTO NORIYUKI

Pressure transducer

TERABAYASHI TORU

Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids

VANNUFFELEN STEPHANE

Methods and apparatus for decreasing a density of a downhole fluid

YAMATE TSUTOMU

Downhole sensor systems and methods thereof

IMAMURA TSUNEHIKO

Apparatus for azimuth measurements using gyro sensors

YOSHIUCHI HIDETOSHI

Downhole sensing system using carbon nanotube FET

LAWRENCE JIMMY

Detecting gas compounds for downhole fluid analysis

HAHEIM SVEIN

Sonde

SATO SHIGERU

Method and apparatus for wellbore survey using inertial sensors

NAGANO KEIKI CO LTD

Optical sensor and physical quantity measurement device