Assignee
NIKKEN KOSAKUSHO WORKS LTD
JP·26 granted patents·3 pending applications·527 citations·filing 1992–2025
Top patents by PatentIndex Score
29 records- 0197US6394466B1End mill chucking structureNIKKEN KOSAKUSHO WORKS LTD·Filed 2000·Granted May 28, 2002·92 cites·18 claims
- 0290US5593258ATool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 1995·Granted Jan 14, 1997·77 cites·15 claims
- 0389US6352395B1Tool holder and tool holder attachment mechanismNIKKEN KOSAKUSHO WORKS LTD·Filed 2000·Granted Mar 5, 2002·40 cites·9 claims
- 0486US6923451B2Tool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 2003·Granted Aug 2, 2005·38 cites·33 claims
- 0586US5358360ADevice for supplying fluid to toolNIKKEN KOSAKUSHO WORKS LTD·Filed 1993·Granted Oct 25, 1994·84 cites·6 claims
- 0684US9333561B2Tool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 2014·Granted May 10, 2016·8 cites·13 claims
- 0784US5716173ATool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 1995·Granted Feb 10, 1998·50 cites·20 claims
- 0883US7165923B2Tool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 2005·Granted Jan 23, 2007·11 cites·7 claims
- 0978US7320568B2Tool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 2006·Granted Jan 22, 2008·8 cites·4 claims
- 1076US9238269B2End mill and shank structure of end millNIKKEN KOSAKUSHO WORKS LTD·Filed 2012·Granted Jan 19, 2016·5 cites·8 claims
- 1176US7036400B2WrenchNIKKEN KOSAKUSHO WORKS LTD·Filed 2005·Granted May 2, 2006·10 cites·5 claims
- 1275US7037053B2Tool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 2003·Granted May 2, 2006·15 cites·14 claims
- 1370US11209797B2Numerical control machine tool backlash diagnosis and maintenance systemNIKKEN KOSAKUSHO WORKS LTD·Filed 2019·Granted Dec 28, 2021·2 cites·16 claims
- 1469USD717847SEnd millNIKKEN KOSAKUSHO WORKS LTD·Filed 2013·Granted Nov 18, 2014·18 cites·1 claims
- 1563US2026044140A1Machining performance management system for nc machine tool, server device, and machining status monitoring methodNIKKEN KOSAKUSHO WORKS LTD·Filed 2025·Application pending·0 cites
- 1661US9475139B2Tool holder and tool holder attachment structureNIKKEN KOSAKUSHO WORKS LTD·Filed 2013·Granted Oct 25, 2016·2 cites·16 claims
- 1760US12589439B2Tool holder and tool holding structure including the sameNIKKEN KOSAKUSHO WORKS LTD·Filed 2024·Granted Mar 31, 2026·0 cites·8 claims
- 1860US7017919B2ChuckNIKKEN KOSAKUSHO WORKS LTD·Filed 2004·Granted Mar 28, 2006·8 cites·4 claims
- 1957US7181998B2WrenchNIKKEN KOSAKUSHO WORKS LTD·Filed 2003·Granted Feb 27, 2007·7 cites·1 claims
- 2052US5730562AClamping apparatus for a spindle of a machine toolNIKKEN KOSAKUSHO WORKS LTD·Filed 1996·Granted Mar 24, 1998·16 cites·6 claims
- 2150USD686646SEnd millNIKKEN KOSAKUSHO WORKS LTD·Filed 2013·Granted Jul 23, 2013·8 cites·1 claims
- 2249US11112767B2Feed shaft and worm gear abnormality determination systemNIKKEN KOSAKUSHO WORKS LTD·Filed 2019·Granted Sep 7, 2021·0 cites·12 claims
- 2345US6105974AChuckNIKKEN KOSAKUSHO WORKS LTD·Filed 1998·Granted Aug 22, 2000·12 cites·11 claims
- 2445US5507587AClamp device for rotary shaft portionNIKKEN KOSAKUSHO WORKS LTD·Filed 1994·Granted Apr 16, 1996·8 cites·11 claims
- 2543US5385424AClamp device for rotary shaft portionNIKKEN KOSAKUSHO WORKS LTD·Filed 1992·Granted Jan 31, 1995·6 cites·7 claims
- 2638US2003228199A1Tool holderNIKKEN KOSAKUSHO WORKS LTD·Filed 2003·Application pending·0 cites
- 2737US2001049984A1Tool holder and tool holder attachment mechanismNIKKEN KOSAKUSHO WORKS LTD·Filed 2001·Application pending·0 cites
- 2833USD742947SEnd millNIKKEN KOSAKUSHO WORKS LTD·Filed 2014·Granted Nov 10, 2015·2 cites·1 claims
- 2926USD742946SEnd millNIKKEN KOSAKUSHO WORKS LTD·Filed 2014·Granted Nov 10, 2015·0 cites·1 claims
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