Koji Ashida

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum brazing alloy for cold brazing and method for brazing low-...
- Patent number 6,170,738
- Issue date Jan 9, 2001
- Showa Aluminum Corporation
- Ryotatsu Otsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for brazing die-cast aluminum material
- Patent number 5,934,546
- Issue date Aug 10, 1999
- Showa Aluminum Corporation
- Ryotatsu Otsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Brazeable aluminum alloy cast material and method of brazing the same
- Patent number 5,862,976
- Issue date Jan 26, 1999
- Showa Aluminum Corporation
- Hideo Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR