Inventor · disambiguated record
Takasumi Wada
Also filed as: WADA TAKASUMI
20 granted patents·8 pending applications·322 citations·filing 1986–2015
95Inventor score
Top patents by PatentIndex Score
28 records- 0195US4780741AMethod and apparatus for forming toner layerKYOCERA CORP·Filed 1986·Granted Oct 25, 1988·61 cites·3 claims
- 0291US5374949AImage forming apparatusKYOCERA CORP·Filed 1993·Granted Dec 20, 1994·51 cites·19 claims
- 0388US7755809B2Laser scanning optical system and image forming apparatusSHARP KK·Filed 2006·Granted Jul 13, 2010·24 cites·16 claims
- 0488US7049756B2Capacitive load driving circuit, capacitive load driving method, and apparatus using the sameSHARP KK·Filed 2003·Granted May 23, 2006·35 cites·130 claims
- 0583US5398102AElectrophotographic copier and charging means used thereforSHARP KK·Filed 1993·Granted Mar 14, 1995·29 cites·9 claims
- 0682US9194544B2Light emitting device, illuminating apparatus, and display apparatusONO YASUHIRO·Filed 2012·Granted Nov 24, 2015·4 cites·21 claims
- 0781US5559586AImage forming device having control grid with applied voltage of the same polarity as tonerSHARP KK·Filed 1995·Granted Sep 24, 1996·33 cites·8 claims
- 0878US5600355AColor image forming apparatus by direct printing method with flying tonerSHARP KK·Filed 1995·Granted Feb 4, 1997·39 cites·31 claims
- 0964US8089500B2Optical scanning device and image forming apparatus provided with the sameMATSUO MANABU·Filed 2009·Granted Jan 3, 2012·3 cites·12 claims
- 1060US7791633B2Optical scanning unit and image forming apparatusSHARP KK·Filed 2006·Granted Sep 7, 2010·2 cites·19 claims
- 1159US5471283ADevice for preventing breakdown of contact charger for use in electrophotographic printing machineSHARP KK·Filed 1994·Granted Nov 28, 1995·12 cites·42 claims
- 1244US5486900AMeasuring device for amount of charge of toner and image forming apparatus having the measuring deviceSHARP KK·Filed 1994·Granted Jan 23, 1996·6 cites·16 claims
- 1342US7619799B2Light scanning device and image forming apparatus using the sameSHARP KK·Filed 2006·Granted Nov 17, 2009·0 cites·8 claims
- 1442US5812160AImage forming apparatus with improved assemblies for tore carrier, toner passage control device and backing electrodeKYOCERA CORP·Filed 1996·Granted Sep 22, 1998·7 cites·19 claims
- 1541US2011102873A1Optical scanning device and image forming apparatus provided with optical scanning deviceSHARP KK·Filed 2010·Application pending·0 cites
- 1639US2015226400A1Light-emitting device, illuminating apparatus, and display apparatusSHARP KK·Filed 2012·Application pending·0 cites
- 1738US2014376219A1Light-emitting device, illuminating apparatus, and display apparatusONO YASUHIRO·Filed 2012·Application pending·0 cites
- 1838US2014140046A1Light-emitting device and display apparatusONO YASUHIRO·Filed 2012·Application pending·0 cites
- 1938US2014092584A1Light-emitting device, illuminating apparatus, and display apparatusONO YASUHIRO·Filed 2012·Application pending·0 cites
- 2038US2013013252A1Light-emitting device, display apparatus, and method for designing reflective memberONO YASUHIRO·Filed 2012·Application pending·0 cites
- 2138US2014226311A1Light emitting device and display deviceONO YASUHIRO·Filed 2012·Application pending·0 cites
- 2237US5797062AMeasuring device for amount of charge of developerSHARP KK·Filed 1996·Granted Aug 18, 1998·4 cites·16 claims
- 2337US5767879AImage forming apparatusSHARP KK·Filed 1996·Granted Jun 16, 1998·5 cites·11 claims
- 2437US5298945AElectrophotographic printing machineSHARP KK·Filed 1992·Granted Mar 29, 1994·4 cites·5 claims
- 2536US8525863B2Optical scanning device and image forming apparatusOHKUBO KENZO·Filed 2011·Granted Sep 3, 2013·0 cites·4 claims
- 2636US2017327000A1Electric vehicleSHARP KK·Filed 2015·Application pending·0 cites
- 2732US6447101B1Image forming deviceSHARP KK·Filed 1999·Granted Sep 10, 2002·2 cites·12 claims
- 2830US5546169ACopying machine with image superposition capabilitySHARP KK·Filed 1995·Granted Aug 13, 1996·1 cites·20 claims
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