Sachio Michibata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery can, sheet for forming battery can, and method for manufact...
- Patent number 5,840,441
- Issue date Nov 24, 1998
- Katayama Special Industries, Ltd.
- Sugikawa Hirofumi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Battery can, sheet for forming battery can, and method for manufact...
- Patent number 5,603,782
- Issue date Feb 18, 1997
- Katayama Special Industries, Ltd.
- Hirofumi Sugikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Battery can, sheet for forming battery can, and method for manufact...
- Patent number 5,576,113
- Issue date Nov 19, 1996
- Katayama Special Industries, Ltd.
- Sugikawa Hirofumi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...