Masayuki Doi

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Minamiawaji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tool holder
- Patent number 9,676,039
- Issue date Jun 13, 2017
- BIG DAISHOW A SEIKI CO LTD
- Masayuki Doi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Joint unit
- Patent number 8,534,951
- Issue date Sep 17, 2013
- Big Alpha Co., Inc.
- Tsuyoshi Komine
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...