Eisaku NAKAI

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Daito-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tool holder
- Patent number 9,333,561
- Issue date May 10, 2016
- Nikken Kosakusho Works, Ltd.
- Eisaku Nakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
End mill and shank structure of end mill
- Patent number 9,238,269
- Issue date Jan 19, 2016
- Nikken Kosakusho Works, Ltd.
- Eisaku Nakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tool holder and method for assembling the same
- Patent number 8,714,893
- Issue date May 6, 2014
- Nikken Kosakusho Works, Ltd.
- Masahiro Taguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tool holder
- Patent number 6,923,451
- Issue date Aug 2, 2005
- Nikken Kosakusho Works Ltd.
- Masahiro Taguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TOOL HOLDER AND TOOL HOLDING STRUCTURE INCLUDING THE SAME
- Publication number 20240335889
- Publication date Oct 10, 2024
- NIKKEN KOSAKUSHO WORKS, LTD.
- Susumu MIKADO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Shank Structure of End Mill and Tool Holder
- Publication number 20150054233
- Publication date Feb 26, 2015
- Nikken Kosakusho Works, LTD.
- Eisaku NAKAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Shank Structure of End Mill and Tool Holder
- Publication number 20130322980
- Publication date Dec 5, 2013
- Nikken Kosakusho Works, LTD.
- Eisaku NAKAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Tool Holder
- Publication number 20130069322
- Publication date Mar 21, 2013
- Nikken Kosakusho Works, LTD.
- Eisaku NAKAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Tool Holder and Method for Assembling the Same
- Publication number 20110129313
- Publication date Jun 2, 2011
- Nikken Kosakusho Works, LTD.
- Masahiro TAGUCHI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Tool holder
- Publication number 20040164502
- Publication date Aug 26, 2004
- NIKKEN KOSAKUSHO WORKS LTD.
- Masahiro Taguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR