Hiroyuki Takai

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Seamless steel pipe having desirable sulfuric acid dew-point corros...
- Patent number 12,227,815
- Issue date Feb 18, 2025
- JFE Steel Corporation
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Grant
Seamless steel pipe having desirable sulfuric acid dew-point corros...
- Patent number 12,129,954
- Issue date Oct 29, 2024
- JFE Steel Corporation
- Hiroyuki Takai
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
SEAMLESS STEEL PIPE HAVING DESIRABLE SULFURIC ACID DEW-POINT CORROS...
- Publication number 20220411890
- Publication date Dec 29, 2022
- JFE STEEL CORPORATION
- Masao Yuga
- C21 - METALLURGY OF IRON
Information Patent Application
SEAMLESS STEEL PIPE HAVING DESIRABLE SULFURIC ACID DEW-POINT CORROS...
- Publication number 20220364671
- Publication date Nov 17, 2022
- JFE STEEL CORPORATION
- Hiroyuki Takai
- C21 - METALLURGY OF IRON