Tadashi Fujioka

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Patents Grantslast 30 patents

Information Patent Grant
Powder manufacturing apparatus and method therefor
- Patent number 4,886,547
- Issue date Dec 12, 1989
- Nippon Kokan Kabushiki Kaisha
- Hideaki Mizukami
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of welding corrugated metallic materials
- Patent number 4,296,306
- Issue date Oct 20, 1981
- Nippon Kokan Kabushiki Kaisha
- Hirokazu Nomura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for automatically welding corrugated membranes
- Patent number 4,248,372
- Issue date Feb 3, 1981
- Nippon Kokan Kabushiki Kaisha
- Hirokazu Nomura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR