Inventor · disambiguated record
Hisashi Kawamoto
Also filed as: KAWAMOTO HISASHI
28 granted patents·4 pending applications·94 citations·filing 2004–2013
95Inventor score
Top patents by PatentIndex Score
32 records- 0193US9381974B2Electric derailleur motor unit and motorized derailleurSHIMANO KK·Filed 2013·Granted Jul 5, 2016·24 cites·33 claims
- 0280US7511391B2Electromagnetic actuatorSEIKO PRECISION KK·Filed 2006·Granted Mar 31, 2009·10 cites·11 claims
- 0380US7338222B2Aperture apparatusSEIKO PRECISION KK·Filed 2006·Granted Mar 4, 2008·7 cites·8 claims
- 0480US7338221B2Sector drive mechanismSEIKO PRECISION KK·Filed 2006·Granted Mar 4, 2008·10 cites·7 claims
- 0577US7385320B2Step motorSEIKO PRECISION KK·Filed 2006·Granted Jun 10, 2008·6 cites·3 claims
- 0675US8057113B2Blade drive device and optical apparatusKAWAMOTO HISASHI·Filed 2009·Granted Nov 15, 2011·4 cites·8 claims
- 0773US8070370B2Gear mechanism and blade drive deviceKAWAMOTO HISASHI·Filed 2009·Granted Dec 6, 2011·4 cites·14 claims
- 0870US7918617B2Vane driving device using a blade as a gear rotation stopping meansSEIKO PRECISION KK·Filed 2009·Granted Apr 5, 2011·3 cites·4 claims
- 0967US7686725B2Reduction gearSEIKO PRECISION KK·Filed 2008·Granted Mar 30, 2010·4 cites·4 claims
- 1067US7626775B2Lens drive apparatusSEIKO PRECISION KK·Filed 2008·Granted Dec 1, 2009·2 cites·2 claims
- 1167US7211910B2Step motorSEIKO PRECISION KK·Filed 2006·Granted May 1, 2007·4 cites·7 claims
- 1266US7658558B2Shutter and optical apparatus having the same apparatusSEIKO PRECISION KK·Filed 2008·Granted Feb 9, 2010·2 cites·13 claims
- 1365US7854557B2Vane driving deviceSEIKO PRECISION KK·Filed 2009·Granted Dec 21, 2010·2 cites·2 claims
- 1464US8100593B2Speed reducing mechanism, drive device, and optical instrumentKAWAMOTO HISASHI·Filed 2010·Granted Jan 24, 2012·1 cites·7 claims
- 1564US7441966B2Shutter and optical apparatus having the sameSEIKO PRECISION KK·Filed 2006·Granted Oct 28, 2008·2 cites·12 claims
- 1663US8934162B2Diaphragm deviceKAWAMOTO HISASHI·Filed 2012·Granted Jan 13, 2015·1 cites·8 claims
- 1760US7768726B2Lens drive deviceSEIKO PRECISION KK·Filed 2007·Granted Aug 3, 2010·2 cites·7 claims
- 1859US7462969B2Electromagnetic actuator with external coilsSEIKO PRECISION KK·Filed 2006·Granted Dec 9, 2008·3 cites·10 claims
- 1958US8074979B2Sheet feed tray and image forming apparatusKAWAMOTO HISASHI·Filed 2009·Granted Dec 13, 2011·1 cites·8 claims
- 2055US7791821B2Lens drive apparatusSEIKO PRECISION KK·Filed 2009·Granted Sep 7, 2010·1 cites·11 claims
- 2154US8314878B2Image pickup apparatus with impact resistanceKAWAMOTO HISASHI·Filed 2009·Granted Nov 20, 2012·0 cites·4 claims
- 2251US10427256B2Printed substrate holding deviceSEIKO PRECISION KK·Filed 2012·Granted Oct 1, 2019·0 cites·12 claims
- 2350US7750528B2Actuator and coil frameSEIKO PRECISION KK·Filed 2009·Granted Jul 6, 2010·0 cites·11 claims
- 2450US2008106158A1Step motorSEIKO PRECISION KK·Filed 2007·Application pending·0 cites
- 2547US8145050B2Lens drive deviceKAWAMOTO HISASHI·Filed 2009·Granted Mar 27, 2012·0 cites·2 claims
- 2646US8879972B2Fuser and image-forming apparatusKAWAMOTO HISASHI·Filed 2012·Granted Nov 4, 2014·0 cites·11 claims
- 2746US8419298B2Drive mechanism, blade drive mechanism and optical deviceKAWAMOTO HISASHI·Filed 2011·Granted Apr 16, 2013·0 cites·11 claims
- 2845US7572075B2Shutter apparatusSEIKO PRECISION KK·Filed 2006·Granted Aug 11, 2009·0 cites·2 claims
- 2945US2009133518A1Motion converterSEIKO PRECISION KK·Filed 2008·Application pending·0 cites
- 3045US2013039641A1Aperture device and optical instrumentSEIKO PRECISION KK·Filed 2012·Application pending·0 cites
- 3141US2006138991A1Step motorSEIKO PRECISION KK·Filed 2004·Application pending·0 cites
- 3233USD633923SGeared motorSEIKO PRECISION KK·Filed 2010·Granted Mar 8, 2011·1 cites·1 claims
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