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Saitama-shi, Saitama, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for forming elliptical hollow cylinder
Patent number
9,821,358
Issue date
Nov 21, 2017
Calsonic Kansei Corporation
Dai Kawashima
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Application
METHOD AND APPARATUS FOR FORMING ELLIPTICAL HOLLOW CYLINDER
Publication number
20160325332
Publication date
Nov 10, 2016
CALSONIC KANSEI CORPORATION
Dai KAWASHIMA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...