Takahiro Hamamoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid and gas tight threaded tubular connection
- Patent number 8,287,008
- Issue date Oct 16, 2012
- Vallourec Mannesmann Oil & Gas France
- Jean-Francois Charvet-Quemin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded joint for steel pipes
- Patent number 8,038,179
- Issue date Oct 18, 2011
- Sumitomo Metal Industries, Ltd.
- Takahiro Takano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded joint for steel pipes
- Patent number 7,900,975
- Issue date Mar 8, 2011
- Sumitomo Metal Industries, Ltd.
- Keiichi Nakamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tubular threaded joint
- Patent number 7,823,931
- Issue date Nov 2, 2010
- Sumitomo Metal Industries, Ltd.
- Takahiro Hamamoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20100270793
- Publication date Oct 28, 2010
- Takahiro Takano
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20100078936
- Publication date Apr 1, 2010
- Keiichi Nakamura
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubular threaded joint
- Publication number 20090200798
- Publication date Aug 13, 2009
- Takahiro Hamamoto
- E21 - EARTH DRILLING MINING
Information Patent Application
Liquid and Gas Tight Threaded Tubular Connection
- Publication number 20080265575
- Publication date Oct 30, 2008
- VALLOUREC MANNESMANN OIL & GAS FRANCE
- Jean-Francois Charvet-Quemin
- E21 - EARTH DRILLING MINING