Osamu Tanaka

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Covered electrode for use in arc welding of Cr-Mo type low alloy st...
- Patent number 4,994,647
- Issue date Feb 19, 1991
- Kabushiki Kaisha Kobe Seiko Sho
- Osamu Tanaka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Flux for overlay welding
- Patent number 4,436,563
- Issue date Mar 13, 1984
- Kabushiki Kaisha Kobe Seiko Sho
- Osamu Tanaka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR