Akira Usami

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength steel plate and producing method therefor
- Patent number 8,500,924
- Issue date Aug 6, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuya Kumagai
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
RADICALLY POLYMERIZABLE RESIN COMPOSITION
- Publication number 20240239940
- Publication date Jul 18, 2024
- Resonac Corporation
- Akira USAMI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH-STRENGTH STEEL PLATE AND PRODUCING METHOD THEREFOR
- Publication number 20110253271
- Publication date Oct 20, 2011
- Tatsuya Kumagai
- B66 - HOISTING LIFTING HAULING