Keizo Namba

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of spot welding aluminum alloys
- Patent number 5,391,854
- Issue date Feb 21, 1995
- Sumitomo Light Metal Industries, Ltd.
- Keizo Namba
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multilayer plated aluminum sheets
- Patent number 5,356,723
- Issue date Oct 18, 1994
- Sumitomo Metal Industries, Ltd.
- Masanari Kimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrode for spot welding
- Patent number 5,334,814
- Issue date Aug 2, 1994
- Sumitomo Light Metal Industries, Ltd.
- Tadashi Nosetani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vacuum-brazing aluminum cladding material consisting of Al or Al al...
- Patent number 5,069,980
- Issue date Dec 3, 1991
- Sumitmo Light Metal Industries, Ltd.
- Keizo Namba
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process of fixing internally titanium-lined doubled-walled tubing s...
- Patent number 4,949,895
- Issue date Aug 21, 1990
- Sumitomo Light Metal Industries, Ltd.
- Yoshihiko Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...