Toru Kumagai

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for cutting off substrate of fragile material
- Patent number 8,276,796
- Issue date Oct 2, 2012
- Mitsuboshi Diamond Industrial Co., Ltd.
- Yuki Nishisaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR CUTTING OFF SUBSTRATE OF FRAGILE MATERIAL
- Publication number 20100065599
- Publication date Mar 18, 2010
- MITSUBOSHI DIAMOND INDUSTRIAL CO., LTD.
- Yuki Nishisaka
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Method of and an Apparatus for Forming a Perpendicular Crack in a B...
- Publication number 20080135532
- Publication date Jun 12, 2008
- MITSUBOSHI DIAMOND INDUSTRIAL CO., LTD.
- Noboru Hasaka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR