Tadao Ozaki

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for fabricating multi-layer spiral tubes
- Patent number 4,746,049
- Issue date May 24, 1988
- Mitsubishi Jukogyo Kabushiki Kaisha
- Tsutomu Oe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for fabricating multi-layer spiral tubes
- Patent number 4,640,453
- Issue date Feb 3, 1987
- Mitsubishi Jukogyo Kabushiki Kaisha
- Tsutomu Oe
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...