Takao KURANISHI

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Chiyoda-ku, Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
OIL WELL STEEL PIPE WITH THREADED CONNECTION, METHOD FOR PRODUCING...
- Publication number 20240200410
- Publication date Jun 20, 2024
- NIPPON STEEL CORPORATION
- Yuya NAKAI
- E21 - EARTH DRILLING MINING
Information Patent Application
OIL-WELL METAL PIPE
- Publication number 20230349503
- Publication date Nov 2, 2023
- NIPPON STEEL CORPORATION
- Yuki BENIYA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...