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Hisatoshi Matsumoto
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Machida-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical window assemblies
Patent number
9,534,494
Issue date
Jan 3, 2017
Schlumberger Technology Corporation
Akira Kamiya
E21 - EARTH DRILLING MINING
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Patent Grant
Methods and apparatus for downhole fluid analysis
Patent number
8,908,166
Issue date
Dec 9, 2014
Schlumber Technology Corporation
Hisatoshi Matsumoto
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Optical Window Assemblies
Publication number
20140240862
Publication date
Aug 28, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Akira Kamiya
G01 - MEASURING TESTING
Information
Patent Application
Methods and Apparatus for Downhole Fluid Analysis
Publication number
20140176946
Publication date
Jun 26, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Hisatoshi Matsumoto
G01 - MEASURING TESTING