Tomohiro Sugiura

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Anjo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing cylindrical member having spline grooves, and...
- Patent number 6,530,253
- Issue date Mar 11, 2003
- Aisin Aw Co., Ltd.
- Masahiro Gotou
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...