Nobuhiko Morioka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Threaded joint for pipes
- Patent number 9,470,345
- Issue date Oct 18, 2016
- JFE Steel Corporation
- Masaki Yoshikawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
THREADED JOINT FOR PIPES
- Publication number 20150061287
- Publication date Mar 5, 2015
- JFE STEEL CORPORATION
- Masaki Yoshikawa
- E21 - EARTH DRILLING MINING