Inventor · disambiguated record
Toru Tsukada
Also filed as: TSUKADA TORU
51 granted patents·1 pending application·1,012 citations·filing 1988–2006
99Inventor score
Top patents by PatentIndex Score
52 records- 0193US5694811ALinear motion machine with a lubricant supply memberNSK LTD·Filed 1994·Granted Dec 9, 1997·46 cites·14 claims
- 0292US6450295B1Feed screw deviceNSK LTD·Filed 2001·Granted Sep 17, 2002·26 cites·10 claims
- 0392US6019513ASealing device for linear guide apparatusNSK LTD·Filed 1996·Granted Feb 1, 2000·37 cites·15 claims
- 0492US5906136ABall screw lubricated with oil-containing polymerNSK LTD·Filed 1997·Granted May 25, 1999·54 cites·3 claims
- 0592US5749266ABall screw-nut machine with a lubricant supply memberNSK LTD·Filed 1996·Granted May 12, 1998·47 cites·10 claims
- 0692US5492413ASealing device for a linear guideNSK LTD·Filed 1994·Granted Feb 20, 1996·60 cites·9 claims
- 0789US5615955ALinear guide apparatus with lubricant-containing polymer spacer ballsNSK LTD·Filed 1995·Granted Apr 1, 1997·47 cites·7 claims
- 0889US5494354ASeal device for a linear guideNSK LTD·Filed 1994·Granted Feb 27, 1996·50 cites·9 claims
- 0987US5769543ASealing device for linear guide apparatusNSK LTD·Filed 1996·Granted Jun 23, 1998·43 cites·7 claims
- 1087US5390557ALinear guide system with integrally formed rackNSK LTD·Filed 1993·Granted Feb 21, 1995·40 cites·11 claims
- 1186US6880676B2Feed screw deviceNSK LTD·Filed 2001·Granted Apr 19, 2005·22 cites·10 claims
- 1285US5149205ADust seal device of linear guide apparatusNIPPON SEIKO KK·Filed 1991·Granted Sep 22, 1992·44 cites·2 claims
- 1384US4953988ALinear guide apparatus with clamp deviceNIPPON SEIKO KK·Filed 1989·Granted Sep 4, 1990·39 cites·5 claims
- 1483US5087130AUnder seal device of linear movement guide bearingNIPPON SEIKO KK·Filed 1991·Granted Feb 11, 1992·41 cites·11 claims
- 1581US7048443B2Sealing device for linear guide apparatusNSK LTD·Filed 2005·Granted May 23, 2006·4 cites·9 claims
- 1681US5871283AIntermediate cover for use in a linear guide deviceNSK LTD·Filed 1997·Granted Feb 16, 1999·40 cites·16 claims
- 1781US5492412ABall retainer with an inner seal for a linear guide apparatusNSK LTD·Filed 1995·Granted Feb 20, 1996·35 cites·7 claims
- 1879US4918846ADust seal for a linear guide apparatusNIPPON SEIKO KK·Filed 1988·Granted Apr 24, 1990·33 cites·1 claims
- 1978US6672764B2Sealing device for linear guide apparatusNSK LTD·Filed 2002·Granted Jan 6, 2004·9 cites·52 claims
- 2077US6550968B2Sealing device for linear guide apparatusNSK LTD·Filed 2001·Granted Apr 22, 2003·9 cites·21 claims
- 2173US6752245B2Feed screw deviceNSK LTD·Filed 2001·Granted Jun 22, 2004·9 cites·20 claims
- 2270US4886375ADust-proof cover for linear guideNIPPON SEIKO KK·Filed 1989·Granted Dec 12, 1989·25 cites·2 claims
- 2365US7650806B2Feed screw deviceNSK LTD·Filed 2004·Granted Jan 26, 2010·6 cites·31 claims
- 2465US5308167ALinear guide apparatus with lateral position adjusting mechanismNSK LTD·Filed 1992·Granted May 3, 1994·17 cites·3 claims
- 2562US5088839AOverrun preventing device of a linear guide apparatusNIPPON SEIKO KK·Filed 1991·Granted Feb 18, 1992·21 cites·7 claims
- 2662US5013164AConstant pressure preload linear guide bearing apparatusNIPPON SEIKO KK·Filed 1990·Granted May 7, 1991·21 cites·3 claims
- 2759US5570958AMiniature linear guide lubricated with a lubricant containing polymerNSK LTD·Filed 1994·Granted Nov 5, 1996·18 cites·2 claims
- 2856US5624195ALight-weight miniature linear guide deviceNSK LTD·Filed 1994·Granted Apr 29, 1997·16 cites·18 claims
- 2954US5080498ADust seal device of linear guide apparatusNIPPON SEIKO KK·Filed 1991·Granted Jan 14, 1992·16 cites·2 claims
- 3053US7255479B2Sealing device for linear guide apparatusNSK LTD·Filed 2006·Granted Aug 14, 2007·0 cites·13 claims
- 3153US5582486AOil supplying structure for linear guide apparatusNSK LTD·Filed 1995·Granted Dec 10, 1996·14 cites·7 claims
- 3252US5273366ARoller linear movement guiding deviceNSK LTD·Filed 1992·Granted Dec 28, 1993·14 cites·6 claims
- 3351US6783278B2Linear guide assemblyNSK LTD·Filed 2003·Granted Aug 31, 2004·2 cites·3 claims
- 3449US5387038ADust-proofing structure of miniature linear guideNSK LTD·Filed 1994·Granted Feb 7, 1995·13 cites·3 claims
- 3548US6253453B1Methods of manufacturing a linear guide device and a ball screw deviceNSK LTD·Filed 1996·Granted Jul 3, 2001·12 cites·4 claims
- 3648US5897212ALinear guide assemblyNSK LTD·Filed 1997·Granted Apr 27, 1999·7 cites·3 claims
- 3748US5308168AGuide rail sideward displacement preventing mechanismNSK LTD·Filed 1993·Granted May 3, 1994·12 cites·10 claims
- 3847US5018878ALinear guide apparatus using roller type linear bearingNIPPON SEIKO KK·Filed 1990·Granted May 28, 1991·12 cites·3 claims
- 3946US5184928ACap for rail mounting hole of linear guide deviceNSK LTD·Filed 1992·Granted Feb 9, 1993·11 cites·18 claims
- 4044US6338285B2Feed screw deviceNSK LTD·Filed 1997·Granted Jan 15, 2002·6 cites·17 claims
- 4144US5315894AStopper device for linear guide deviceNSK LTD·Filed 1992·Granted May 31, 1994·10 cites·18 claims
- 4243US2004228551A1Sealing device for linear guide apparatusNSK LTD·Filed 2003·Application pending·0 cites
- 4341US6257765B1Sealing device for linear guide apparatusNSK LTD·Filed 1999·Granted Jul 10, 2001·4 cites·24 claims
- 4440US6558040B2Linear guide assemblyNSK LTD·Filed 2002·Granted May 6, 2003·0 cites·1 claims
- 4540US6394653B2Linear guide assemblyNSK LTD·Filed 2001·Granted May 28, 2002·0 cites·1 claims
- 4636US5454645ALinear guide apparatusNSK LTD·Filed 1993·Granted Oct 3, 1995·6 cites·11 claims
- 4735US6123458ALinear guide assemblyNSK LTD·Filed 1998·Granted Sep 26, 2000·3 cites·2 claims
- 4833US5090821ARoller bearing and roller type linear guide apparatusNIPPON SEIKO KK·Filed 1991·Granted Feb 25, 1992·4 cites·6 claims
- 4932US5112139ARoller type linear movement guide bearingNIPPON SEIKO KK·Filed 1991·Granted May 12, 1992·3 cites·2 claims
- 5029US6287006B1Linear guide assemblyNSK LTD·Filed 1999·Granted Sep 11, 2001·0 cites·6 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →