Kenji Ogawa

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Kitamatsuura-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wire saw cutting method and apparatus therefor
- Patent number 6,283,111
- Issue date Sep 4, 2001
- Sumitomo Metal Industries, Ltd.
- Kazunori Onizaki
- B28 - WORKING CEMENT, CLAY, OR STONE