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Takeaki Nakayama
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Machida-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Toolstring topology mapping in cable telemetry
Patent number
9,911,323
Issue date
Mar 6, 2018
Schlumberger Technology Corporation
David Santoso
E21 - EARTH DRILLING MINING
Information
Patent Grant
Toolstring communication in cable telemetry
Patent number
9,154,186
Issue date
Oct 6, 2015
Schlumberger Technology Corporation
Hiromasa Nishisaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of downhole characterization of formation fluids, measuremen...
Patent number
8,256,283
Issue date
Sep 4, 2012
Schlumberger Technology Corporation
Toru Terabayashi
G01 - MEASURING TESTING
Information
Patent Grant
Method of downhole characterization of formation fluids, measuremen...
Patent number
7,788,972
Issue date
Sep 7, 2010
Schlumberger Technology Corporation
Toru Terabayashi
G01 - MEASURING TESTING
Information
Patent Grant
Real-time calibration for downhole spectrometer
Patent number
7,609,380
Issue date
Oct 27, 2009
Schlumberger Technology Corporation
Stephane Vannuffelen
G01 - MEASURING TESTING
Information
Patent Grant
Borehole logging system
Patent number
6,061,633
Issue date
May 9, 2000
Schlumberger Technology Corporation
Masafumi Fukuhara
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Cable Telemetry Synchronization System and Method
Publication number
20140354446
Publication date
Dec 4, 2014
Schlumberger Technology Corporation
Takeaki Nakayama
E21 - EARTH DRILLING MINING
Information
Patent Application
Inter-Tool Communication Flow Control in Toolbus System of Cable Te...
Publication number
20140333452
Publication date
Nov 13, 2014
Takeaki Nakayama
G01 - MEASURING TESTING
Information
Patent Application
Multi-Scheme Downhole Tool Bus System and Methods
Publication number
20140218206
Publication date
Aug 7, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Theodorus Tjhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Toolstring Communication in Cable Telemetry
Publication number
20140152457
Publication date
Jun 5, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Hiromasa Nishisaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Toolstring Topology Mapping in Cable Telemetry
Publication number
20140152460
Publication date
Jun 5, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
David Santoso
G08 - SIGNALLING
Information
Patent Application
METHOD OF DOWNHOLE CHARACTERIZATION OF FORMATION FLUIDS, MEASUREMEN...
Publication number
20100313647
Publication date
Dec 16, 2010
SCHLUMBERGER TECHNOLOGY CORPORATION
TORU TERABAYASHI
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF DOWNHOLE CHARACTERIZATION OF FORMATION FLUIDS, MEASUREMEN...
Publication number
20090078036
Publication date
Mar 26, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
TORU TERABAYASHI
E21 - EARTH DRILLING MINING
Information
Patent Application
Real-time calibration for downhole spectrometer
Publication number
20070109537
Publication date
May 17, 2007
Stephane Vannuffelen
G01 - MEASURING TESTING