Assignee
NIPPO SANGYO
JP·9 granted patents·128 citations·filing 1984–2017
Top patents by PatentIndex Score
9 records- 0186US4594878ADynamic friction coefficient measuring apparatusNIPPO SANGYO·Filed 1984·Granted Jun 17, 1986·53 cites·11 claims
- 0281US4770279AOne-way clutchNIPPO SANGYO·Filed 1987·Granted Sep 13, 1988·39 cites·1 claims
- 0375US10545086B2Friction coefficient measurement apparatusNIPPO SANGYO·Filed 2017·Granted Jan 28, 2020·1 cites·12 claims
- 0464US6679106B1Road surface roughness measuring deviceNIPPO SANGYO·Filed 2000·Granted Jan 20, 2004·15 cites·1 claims
- 0555US4785688ATorque limiter for paper feeding device of office machine and the likeNIPPO SANGYO·Filed 1987·Granted Nov 22, 1988·13 cites·3 claims
- 0650US5829239ASpinning ring structureNIPPO SANGYO·Filed 1997·Granted Nov 3, 1998·4 cites·6 claims
- 0742US5819519ASpinning ringNIPPO SANGYO·Filed 1997·Granted Oct 13, 1998·2 cites·4 claims
- 0831US5918454ASpinning ring structure with an aerodynamic brake memberNIPPO SANGYO·Filed 1997·Granted Jul 6, 1999·1 cites·20 claims
- 0927US5881546ASpinning ringNIPPO SANGYO·Filed 1995·Granted Mar 16, 1999·0 cites·8 claims
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