Yuzuru Yoshida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron beam welded joint excellent in brittle fracture resistance
- Patent number 8,114,528
- Issue date Feb 14, 2012
- Nippon Steel Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Building construction steel having excellent fire resistance and lo...
- Patent number 5,147,474
- Issue date Sep 15, 1992
- Nippon Steel Corporation
- Hiroshi Tamehiro
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for manufacturing building construction steel having excell...
- Patent number 4,990,196
- Issue date Feb 5, 1991
- Nippon Steel Corporation
- Hiroshi Tamehiro
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON BEAM WELDED JOINT EXCELLENT IN BRITTLE FRACTURE RESISTANCE
- Publication number 20100028717
- Publication date Feb 4, 2010
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR