Assignee
TSUBAKI NAKASHIMA CO LTD
JP·9 granted patents·288 citations·filing 1998–2003
Top patents by PatentIndex Score
9 records- 0194US6095009ABall screw having spacersTSUBAKI NAKASHIMA CO LTD·Filed 1999·Granted Aug 1, 2000·64 cites·6 claims
- 0289US6176149B1Ball screw having spacersTSUBAKI NAKASHIMA CO LTD·Filed 1999·Granted Jan 23, 2001·72 cites·8 claims
- 0388US6499374B1Ball screw with alternately disposed steel balls and ceramic ballsTSUBAKI NAKASHIMA CO LTD·Filed 2001·Granted Dec 31, 2002·35 cites·1 claims
- 0485US6113274ALinear guideway having spacers and spacer ballTSUBAKI NAKASHIMA CO LTD·Filed 1999·Granted Sep 5, 2000·49 cites·8 claims
- 0582US6415676B1Ball screw device having spacersTSUBAKI NAKASHIMA CO LTD·Filed 2000·Granted Jul 9, 2002·28 cites·9 claims
- 0669US6643932B2Method for inserting balls and spacers into ball screw deviceTSUBAKI NAKASHIMA CO LTD·Filed 2002·Granted Nov 11, 2003·14 cites·5 claims
- 0752US5950469AMethod and equipment for surface-hardening treatment of steel balls for a ball bearingTSUBAKI NAKASHIMA CO LTD·Filed 1998·Granted Sep 14, 1999·17 cites·22 claims
- 0850US6423111B1Ball for ball-point penTSUBAKI NAKASHIMA CO LTD·Filed 2001·Granted Jul 23, 2002·4 cites·2 claims
- 0941US6755588B1Ball for ball-point penTSUBAKI NAKASHIMA CO LTD·Filed 2003·Granted Jun 29, 2004·5 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →