Tamotsu Ikegami

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Easy-open lid in which score cut edge can be covered and process fo...
- Patent number 4,887,732
- Issue date Dec 19, 1989
- Toyo Seikan Kaisha, Ltd.
- Hiroshi Matsubayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for shaping an metallic pull ring and simultaneously conn...
- Patent number 4,586,863
- Issue date May 6, 1986
- Toyo Seikan Kaisha, Ltd.
- Kenji Morimoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...