Keiichirou Makase

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive shaft
- Patent number 5,080,634
- Issue date Jan 14, 1992
- Koyo Seiko Co., Ltd.
- Keiichirou Makase
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...