Assignee
KOYO MACHINE IND CO LTD
JP·23 granted patents·2 pending applications·153 citations·filing 1978–2022
Top patents by PatentIndex Score
25 records- 0178US7150674B2Both-side grinding method and both-side grinding machine for thin disc workKOYO MACHINE IND CO LTD·Filed 2002·Granted Dec 19, 2006·19 cites·17 claims
- 0278US4217841ASpeed control apparatus for use with electric sewing machineKOYO MACHINE IND CO LTD·Filed 1978·Granted Aug 19, 1980·13 cites·2 claims
- 0376US10166645B2Centerless grinding machineKOYO MACHINE IND CO LTD·Filed 2016·Granted Jan 1, 2019·2 cites·9 claims
- 0476US7666101B2Yoke for universal jointKOYO MACHINE IND CO LTD·Filed 2006·Granted Feb 23, 2010·7 cites·19 claims
- 0571US5989108ADouble side grinding apparatus for flat disklike workKOYO MACHINE IND CO LTD·Filed 1997·Granted Nov 23, 1999·37 cites·16 claims
- 0669US7507143B2Truing method for grinding wheelKOYO MACHINE IND CO LTD·Filed 2006·Granted Mar 24, 2009·3 cites·8 claims
- 0757US11732758B2Assembly method and assembly apparatus for cross shaft universal jointKOYO MACHINE IND CO LTD·Filed 2020·Granted Aug 22, 2023·0 cites·3 claims
- 0856US7118448B2Truing method for grinding wheel, its truing device and grinding machineKOYO MACHINE IND CO LTD·Filed 2001·Granted Oct 10, 2006·5 cites·11 claims
- 0956US5687614AMagnetic screw deviceKOYO MACHINE IND CO LTD·Filed 1995·Granted Nov 18, 1997·18 cites·16 claims
- 1052US6152712AScroll thrust bearingKOYO MACHINE IND CO LTD·Filed 1999·Granted Nov 28, 2000·12 cites·20 claims
- 1150US10751852B2Surface grinding method and surface grinding deviceKOYO MACHINE IND CO LTD·Filed 2018·Granted Aug 25, 2020·0 cites·9 claims
- 1250US7347770B2Two-sided surface grinding apparatusKOYO MACHINE IND CO LTD·Filed 2004·Granted Mar 25, 2008·4 cites·4 claims
- 1349US11517989B2Cam device, work supply device and separating deviceKOYO MACHINE IND CO LTD·Filed 2020·Granted Dec 6, 2022·0 cites·7 claims
- 1446US7674157B2Two-sided surface grinding methodKOYO MACHINE IND CO LTD·Filed 2008·Granted Mar 9, 2010·2 cites·4 claims
- 1543US7192356B2Cross shaft jointKOYO MACHINE IND CO LTD·Filed 2004·Granted Mar 20, 2007·2 cites·20 claims
- 1642US6729938B2Centerless grinding machineKOYO MACHINE IND CO LTD·Filed 2001·Granted May 4, 2004·3 cites·8 claims
- 1741US2022388560A1Transport assist equipment and bedKOYO MACHINE IND CO LTD·Filed 2022·Application pending·0 cites
- 1840US6621525B1Double tapered roller of scroll thrust bearingKOYO MACHINE IND CO LTD·Filed 1999·Granted Sep 16, 2003·7 cites·5 claims
- 1938US5700115ASpeed-increasing spindle deviceKOYO MACHINE IND CO LTD·Filed 1996·Granted Dec 23, 1997·7 cites·16 claims
- 2036US9539685B2Workpiece conveyer apparatus of machine toolKOYO MACHINE IND CO LTD·Filed 2015·Granted Jan 10, 2017·0 cites·7 claims
- 2135US9669511B2Surface grinding method for workpieceKOYO MACHINE IND CO LTD·Filed 2015·Granted Jun 6, 2017·0 cites·8 claims
- 2234US6923577B2Scroll thrust bearingKOYO MACHINE IND CO LTD·Filed 2004·Granted Aug 2, 2005·0 cites·10 claims
- 2333US5557402ASurface flaw detecting apparatus of workpieceKOYO MACHINE IND CO LTD·Filed 1995·Granted Sep 17, 1996·9 cites·15 claims
- 2432US4218982APattern generating system for use in electronic sewing machinesKOYO MACHINE IND CO LTD·Filed 1978·Granted Aug 26, 1980·3 cites·1 claims
- 2524US2017072529A1Surface grinding method for workpiece and surface grinderKOYO MACHINE IND CO LTD·Filed 2016·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →