Isshu TETSUYAMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reduction treatment apparatus and method of reduction treatment
- Patent number 8,075,665
- Issue date Dec 13, 2011
- Sumitomo Heavy Industries, Inc.
- Nobuo Ehara
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HEAT TREATMENT SYSTEM
- Publication number 20220412552
- Publication date Dec 29, 2022
- Sumitomo Heavy Industries, Ltd.
- Ryuichi AGAWA
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
REDUCTION TREATMENT APPARATUS AND METHOD OF REDUCTION TREATMENT
- Publication number 20100139456
- Publication date Jun 10, 2010
- Sumitomo Heavy Industries, Ltd.
- Nobuo EHARA
- C21 - METALLURGY OF IRON