Katukuni Hashimoto

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Patents Grantslast 30 patents

Information Patent Grant
High-strength heat-resisting ferritic steel pipe and tube
- Patent number 4,844,755
- Issue date Jul 4, 1989
- Nippon Steel Corporation
- Katukuni Hashimoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Boiler tube having improved high temperature mechanical strength, i...
- Patent number 4,463,061
- Issue date Jul 31, 1984
- Nippon Steel Corporation
- Yasuo Otoguro
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Ferritic heat-resisting steel with an excellent toughness
- Patent number 4,405,369
- Issue date Sep 20, 1983
- Nippon Steel Corporation
- Yasuo Otoguro
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...