Kyohei KANKI

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Martensitic stainless seamless steel pipe
- Patent number 11,970,759
- Issue date Apr 30, 2024
- Nippon Steel Corporation
- Kyohei Kanki
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless seamless steel pipe
- Patent number 11,965,232
- Issue date Apr 23, 2024
- Nippon Steel Corporation
- Kyohei Kanki
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR PRODUCING...
- Publication number 20240417835
- Publication date Dec 19, 2024
- NIPPON STEEL CORPORATION
- Kyohei KANKI
- C21 - METALLURGY OF IRON
Information Patent Application
MARTENSITIC STAINLESS STEEL PIPE
- Publication number 20240401722
- Publication date Dec 5, 2024
- NIPPON STEEL CORPORATION
- Toshiya NISHIMURA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MARTENSITIC STAINLESS STEEL ROUND BAR
- Publication number 20240401178
- Publication date Dec 5, 2024
- NIPPON STEEL CORPORATION
- Kyohei KANKI
- C21 - METALLURGY OF IRON
Information Patent Application
MARTENSITIC STAINLESS SEAMLESS STEEL PIPE
- Publication number 20220033943
- Publication date Feb 3, 2022
- NIPPON STEEL CORPORATION
- Kyohei KANKI
- C21 - METALLURGY OF IRON
Information Patent Application
MARTENSITIC STAINLESS SEAMLESS STEEL PIPE
- Publication number 20210317556
- Publication date Oct 14, 2021
- NIPPON STEEL CORPORATION
- Kyohei KANKI
- C21 - METALLURGY OF IRON