Inventor · disambiguated record
Masahiko Nagasawa
Also filed as: NAGASAWA MASAHIKO
14 granted patents·4 pending applications·190 citations·filing 1993–2024
91Inventor score
Top patents by PatentIndex Score
18 records- 0187US6315277B1Fluid-filled active vibration damping device including oscillating member oscillated by actuator controlled with pulse signalTOKAI RUBBER IND LTD·Filed 1999·Granted Nov 13, 2001·56 cites·18 claims
- 0283US6105943AActive damping oscillator having non-connected shaft member and outer sleeve movable relative to each other by energization of coilsTOKAI RUBBER IND LTD·Filed 1999·Granted Aug 22, 2000·58 cites·10 claims
- 0382US12138434B2Puncture needle and catheter assemblyTERUMO CORP·Filed 2020·Granted Nov 12, 2024·1 cites·16 claims
- 0480US10100897B2Vibration-damping electromagnetic actuator, active fluid-filled vibration-damping device and active vibration-damping device using the sameSUMITOMO RIKO CO LTD·Filed 2016·Granted Oct 16, 2018·3 cites·6 claims
- 0579US10352395B2Vibration-damping electromagnetic actuator, active fluid-filled vibration-damping device and active vibration-control device using the sameSUMITOMO RIKO CO LTD·Filed 2017·Granted Jul 16, 2019·2 cites·8 claims
- 0675US2024416049A1Puncture needle and catheter assemblyTERUMO CORP·Filed 2024·Application pending·0 cites
- 0769US6017024AFluid-filled vibration damping device having pneumatically oscillated member partially defining auxiliary fluid chamberTOKAI RUBBER IND LTD·Filed 1997·Granted Jan 25, 2000·26 cites·9 claims
- 0866US7216858B2Fluid-filled vibration damping deviceTOKAI RUBBER IND LTD·Filed 2005·Granted May 15, 2007·5 cites·9 claims
- 0966US6010120AFluid-filled vibration damping device having pneumatically oscillated members partially defining primary and auxiliary fluid chambersTOKAI RUBBER IND LTD·Filed 1997·Granted Jan 4, 2000·24 cites·15 claims
- 1063US2025001097A1Puncture needleTERUMO CORP·Filed 2024·Application pending·0 cites
- 1153US11517667B2Puncture needleTERUMO CORP·Filed 2021·Granted Dec 6, 2022·0 cites·23 claims
- 1253US9306440B2Electromagnetic actuator, and active vibration damper and fluid-filled active vibration damping device using the sameSUMITOMO RIKO CO LTD·Filed 2014·Granted Apr 5, 2016·0 cites·4 claims
- 1350US11524125B2Puncture needleTERUMO CORP·Filed 2020·Granted Dec 13, 2022·0 cites·10 claims
- 1446US2015198216A1Electromagnetic actuator, and active vibration damper and fluid-filled active vibration damping device using the sameSUMITOMO RIKO CO LTD·Filed 2014·Application pending·0 cites
- 1543US9982743B2Vibration-damping electromagnetic actuator and manufacturing method thereof, active fluid-filled vibration-damping device and active vibration-damping device using vibration-damping electromagnetic actuatorSUMITOMO RIKO CO LTD·Filed 2016·Granted May 29, 2018·0 cites·5 claims
- 1638US5941512AVibration damper including mass member displaceable by fluid pressure change in working chamberTOKAI RUBBER IND LTD·Filed 1997·Granted Aug 24, 1999·7 cites·13 claims
- 1736US5386275AFluid-filled elastic mount having oscillating plate driven by electromagnetic means including magnet fixed to movable inner yoke member, and annular coil fixed to stationary outer yoke memberTOKAI RUBBER IND LTD·Filed 1993·Granted Jan 31, 1995·8 cites·14 claims
- 1833US2015244196A1Charger HolderHOSIDEN CORP·Filed 2015·Application pending·0 cites
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