Assignee
NIPPON SEIKO KK
JP·353 granted patents·1 pending application·8,145 citations·filing 1973–2014
Top patents by PatentIndex Score
354 records- 0199US4795278ABearing assemblyNIPPON SEIKO KK·Filed 1987·Granted Jan 3, 1989·115 cites·16 claims
- 0297US4486026ASealing and bearing means by use of ferrofluidNIPPON SEIKO KK·Filed 1983·Granted Dec 4, 1984·77 cites·9 claims
- 0396US4516783ASeal assembly with radially overlapping seal meansNIPPON SEIKO KK·Filed 1984·Granted May 14, 1985·66 cites·5 claims
- 0496US4505484ASealing device for a rolling bearingNIPPON SEIKO KK·Filed 1980·Granted Mar 19, 1985·71 cites·9 claims
- 0595US4967618AElectric steering apparatusNIPPON SEIKO KK·Filed 1989·Granted Nov 6, 1990·88 cites·10 claims
- 0695US4966041ADisplacement detection deviceNIPPON SEIKO KK·Filed 1988·Granted Oct 30, 1990·80 cites·4 claims
- 0795US4683391AMagnetically floating actuator having angular positioning functionNIPPON SEIKO KK·Filed 1986·Granted Jul 28, 1987·72 cites·9 claims
- 0894US4991442AMethod and apparatus for detecting cracks in bearingsNIPPON SEIKO KK·Filed 1989·Granted Feb 12, 1991·74 cites·18 claims
- 0994US4930909ARolling bearingNIPPON SEIKO KK·Filed 1989·Granted Jun 5, 1990·70 cites·6 claims
- 1093US5060977AMagnet-inclusive component suitable for use in occupant-protecting means for motor vehicle and fabrication process thereofNIPPON SEIKO KK·Filed 1990·Granted Oct 29, 1991·75 cites·8 claims
- 1193US5018384ARotational speed detectorNIPPON SEIKO KK·Filed 1990·Granted May 28, 1991·73 cites·9 claims
- 1293US4007630ADevice for detecting damage on rotatorsNIPPON SEIKO KK·Filed 1975·Granted Feb 15, 1977·54 cites·3 claims
- 1392US5011460ABelt tensioner with elastic damping featureNIPPON SEIKO KK·Filed 1990·Granted Apr 30, 1991·53 cites·12 claims
- 1492US4901592AShock absorbing steering apparatusNIPPON SEIKO KK·Filed 1988·Granted Feb 20, 1990·75 cites·13 claims
- 1592US4783180ABearing assembly for vehicleNIPPON SEIKO KK·Filed 1987·Granted Nov 8, 1988·55 cites·5 claims
- 1691US4989898AEnergy absorption type steering apparatusNIPPON SEIKO KK·Filed 1989·Granted Feb 5, 1991·59 cites·1 claims
- 1791US4934836ADynamic pressure type fluid bearing deviceNIPPON SEIKO KK·Filed 1989·Granted Jun 19, 1990·65 cites·6 claims
- 1891US4893518AElectric steering apparatusNIPPON SEIKO KK·Filed 1988·Granted Jan 16, 1990·57 cites·10 claims
- 1991US4593780APower assist steering gear assemblyNIPPON SEIKO KK·Filed 1984·Granted Jun 10, 1986·51 cites·6 claims
- 2091US4485024AProcess for producing a ferrofluid, and a composition thereofNIPPON SEIKO KK·Filed 1983·Granted Nov 27, 1984·36 cites·13 claims
- 2190US4850720ALinear guide apparatusNIPPON SEIKO KK·Filed 1988·Granted Jul 25, 1989·51 cites·2 claims
- 2289US4968157ABearing lubricating systemNIPPON SEIKO KK·Filed 1989·Granted Nov 6, 1990·50 cites·6 claims
- 2389US4800929AWebbing for safety beltNIPPON SEIKO KK·Filed 1987·Granted Jan 31, 1989·23 cites·10 claims
- 2489US4778286ABearing assemblyNIPPON SEIKO KK·Filed 1987·Granted Oct 18, 1988·48 cites·3 claims
- 2588US5228720ACoupler of collapsible shaft for steering deviceNIPPON SEIKO KK·Filed 1991·Granted Jul 20, 1993·41 cites·2 claims
- 2688US5129739ABearing with dynamic pressure grooves and method for manufacturing the sameNIPPON SEIKO KK·Filed 1991·Granted Jul 14, 1992·52 cites·2 claims
- 2788US5084116ARolling contact element steel and rolling bearing made thereofNIPPON SEIKO KK·Filed 1990·Granted Jan 28, 1992·39 cites·4 claims
- 2888US5062721ARolling bearing with sleeveNIPPON SEIKO KK·Filed 1990·Granted Nov 5, 1991·55 cites·4 claims
- 2988US5054440ACam follower device for valve driving mechanism in engineNIPPON SEIKO KK·Filed 1990·Granted Oct 8, 1991·62 cites·15 claims
- 3088US5048094AMethod and apparatus for checking patternNIPPON SEIKO KK·Filed 1989·Granted Sep 10, 1991·72 cites·12 claims
- 3188US4724717ARack shaft supporting deviceNIPPON SEIKO KK·Filed 1986·Granted Feb 16, 1988·51 cites·8 claims
- 3288US4721495AAutotensionerNIPPON SEIKO KK·Filed 1986·Granted Jan 26, 1988·45 cites·12 claims
- 3388US3951483AConical roller bearingNIPPON SEIKO KK·Filed 1974·Granted Apr 20, 1976·41 cites·7 claims
- 3487US4941758ALinear sliding guide bearingNIPPON SEIKO KK·Filed 1989·Granted Jul 17, 1990·62 cites·3 claims
- 3587US4098141AEnergy absorbing steering assemblyNIPPON SEIKO KK·Filed 1976·Granted Jul 4, 1978·33 cites·10 claims
- 3686US5137375ARolling bearingNIPPON SEIKO KK·Filed 1991·Granted Aug 11, 1992·64 cites·5 claims
- 3786US4886376ADust-proof seal for linear guide apparatusNIPPON SEIKO KK·Filed 1988·Granted Dec 12, 1989·43 cites·5 claims
- 3886US4874073AClutch release bearing deviceNIPPON SEIKO KK·Filed 1988·Granted Oct 17, 1989·50 cites·5 claims
- 3986US4759427ANozzle assembly of a constant fine lubrication deviceNIPPON SEIKO KK·Filed 1986·Granted Jul 26, 1988·61 cites·7 claims
- 4086US4594909ATiltable steering mechanismNIPPON SEIKO KK·Filed 1984·Granted Jun 17, 1986·42 cites·19 claims
- 4185US5149205ADust seal device of linear guide apparatusNIPPON SEIKO KK·Filed 1991·Granted Sep 22, 1992·44 cites·2 claims
- 4285US4943087AWarning device for passive seat belt systemNIPPON SEIKO KK·Filed 1989·Granted Jul 24, 1990·56 cites·9 claims
- 4385US4929098ASelf-aligning roller bearingNIPPON SEIKO KK·Filed 1989·Granted May 29, 1990·52 cites·3 claims
- 4485US4805972ADynamic pressure gas bearing deviceNIPPON SEIKO KK·Filed 1987·Granted Feb 21, 1989·42 cites·20 claims
- 4585US4701651AMotor unitNIPPON SEIKO KK·Filed 1985·Granted Oct 20, 1987·40 cites·6 claims
- 4685US4598914ASealing and bearing means by use of ferrofluidNIPPON SEIKO KK·Filed 1984·Granted Jul 8, 1986·23 cites·7 claims
- 4785US4491373AConstruction of the mating sliding members in a linear feeding meansNIPPON SEIKO KK·Filed 1983·Granted Jan 1, 1985·34 cites·15 claims
- 4884US5085733ARolling steel bearingNIPPON SEIKO KK·Filed 1990·Granted Feb 4, 1992·59 cites·4 claims
- 4984US5030017ARolling bearingNIPPON SEIKO KK·Filed 1990·Granted Jul 9, 1991·41 cites·18 claims
- 5084US4958941ASupport unitNIPPON SEIKO KK·Filed 1990·Granted Sep 25, 1990·69 cites·4 claims
Showing the top 50 of 354 patent records by PatentIndex Score.
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