Fumio OTA

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Wakayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Threaded joint for steel pipe
- Patent number 10,774,958
- Issue date Sep 15, 2020
- Nippon Steel Corporation
- Keita Inose
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded joint for steel pipes
- Patent number 10,774,598
- Issue date Sep 15, 2020
- Nippon Steel Corporation
- Keita Inose
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded joint for steel pipes
- Patent number 10,473,241
- Issue date Nov 12, 2019
- Nippon Steel Corporation
- Keita Inose
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Threaded Joint for Steel Pipes
- Publication number 20190040978
- Publication date Feb 7, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yousuke Oku
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Threaded Joint for Steel Pipe
- Publication number 20190032820
- Publication date Jan 31, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Keita Inose
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20170101830
- Publication date Apr 13, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Keita INOSE
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20160305585
- Publication date Oct 20, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Keita INOSE
- E21 - EARTH DRILLING MINING