Yasuharu Sakaguchi

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drill and method of producing printed circuit board
- Patent number 8,328,473
- Issue date Dec 11, 2012
- Ibiden Co., Ltd.
- Akinobu Ito
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DRILL AND METHOD OF PRODUCING PRINTED WIRING BOARD
- Publication number 20110138622
- Publication date Jun 16, 2011
- IBIDEN CO., LTD.
- Akinobu ITO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Drill and Method of Producing Printed Circuit Board
- Publication number 20070227766
- Publication date Oct 4, 2007
- Ibiden Co., Ltd.
- Akinobu Ito
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR