Taro Kanayama

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Handa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Threaded joint for oil well steel pipe
- Patent number 11,053,749
- Issue date Jul 6, 2021
- JFE Steel Corporation
- Takamasa Kawai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded joint for oil well tubing
- Patent number 10,900,595
- Issue date Jan 26, 2021
- JFE Steel Corporation
- Takamasa Kawai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded pipe joint
- Patent number 10,711,533
- Issue date Jul 14, 2020
- JFE Steel Corporation
- Masaki Yoshikawa
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
THREADED JOINT FOR OIL WELL STEEL PIPE
- Publication number 20190211632
- Publication date Jul 11, 2019
- JFE STEEL CORPORATION
- Takamasa Kawai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
THREADED JOINT FOR OIL WELL TUBING
- Publication number 20190056049
- Publication date Feb 21, 2019
- JFE STEEL CORPORATION
- Takamasa Kawai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
THREADED PIPE JOINT
- Publication number 20180080287
- Publication date Mar 22, 2018
- JFE STEEL CORPORATION
- Masaki Yoshikawa
- E21 - EARTH DRILLING MINING