Osamu Sonobe

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Threaded joint for steel pipes
- Patent number 10,202,809
- Issue date Feb 12, 2019
- JFE Steel Corporation
- Takuya Nagahama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded joint for pipes
- Patent number 9,657,873
- Issue date May 23, 2017
- JFE Steel Corporation
- Takamasa Kawai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded joint for pipe
- Patent number 9,194,190
- Issue date Nov 24, 2015
- JFE Steel Corporation
- Osamu Sonobe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded joint for steel pipes
- Patent number 8,991,875
- Issue date Mar 31, 2015
- JFE Steel Corporation
- Masaki Yoshikawa
- 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 20150368987
- Publication date Dec 24, 2015
- JFE STEEL CORPORATION
- Takuya Nagahama
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED JOINT FOR PIPES
- Publication number 20140116560
- Publication date May 1, 2014
- JFE STEEL CORPORATION
- Takamasa Kawai
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20140049045
- Publication date Feb 20, 2014
- JFE STEEL CORPORATION
- Masaki Yoshikawa
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED JOINT FOR PIPE
- Publication number 20130181442
- Publication date Jul 18, 2013
- JFE STEEL CORPORATION
- Osamu Sonobe
- E21 - EARTH DRILLING MINING