Inventor · disambiguated record
Hajime Washio
Also filed as: WASHIO HAJIME
79 granted patents·9 pending applications·1,587 citations·filing 1993–2019
99Inventor score
Top patents by PatentIndex Score
88 records- 0198US7190338B2Data signal line drive circuit, drive circuit, image display device incorporating the same, and electronic apparatus using the sameSHARP KK·Filed 2005·Granted Mar 13, 2007·54 cites·31 claims
- 0296US6937220B2Active matrix display panel and image display device adapting sameSHARP KK·Filed 2002·Granted Aug 30, 2005·179 cites·19 claims
- 0395US6909417B2Shift register and image display apparatus using the sameSHARP KK·Filed 2000·Granted Jun 21, 2005·90 cites·31 claims
- 0495US6724361B1Shift register and image display deviceSHARP KK·Filed 2000·Granted Apr 20, 2004·77 cites·28 claims
- 0594US6693616B2Image display device, method of driving thereof, and electronic equipmentSEMICONDUCTOR ENERGY LAB·Filed 2001·Granted Feb 17, 2004·62 cites·45 claims
- 0693US7420402B2Flip-flops, shift registers, and active-matrix display devicesSHARP KK·Filed 2005·Granted Sep 2, 2008·24 cites·36 claims
- 0793US7372445B2Driving device of display device, display device, and driving method of display deviceSHARP KK·Filed 2005·Granted May 13, 2008·18 cites·16 claims
- 0893US6559824B1Matrix type image display deviceSHARP KK·Filed 2000·Granted May 6, 2003·67 cites·44 claims
- 0993US6476637B1Voltage level shifter and display deviceSHARP KK·Filed 2000·Granted Nov 5, 2002·45 cites·22 claims
- 1092US7733321B2Shift register and display device using sameSHARP KK·Filed 2006·Granted Jun 8, 2010·11 cites·10 claims
- 1192US7339570B2Data signal line drive circuit, drive circuit, image display device incorporating the same, and electronic apparatus using the sameSHARP KK·Filed 2001·Granted Mar 4, 2008·40 cites·100 claims
- 1291US7688302B2Shift register and display device using sameSHARP KK·Filed 2006·Granted Mar 30, 2010·9 cites·10 claims
- 1391US7193604B2Shift register circuit, image display apparatus having the circuit, and driving method for LCD devicesSHARP KK·Filed 2005·Granted Mar 20, 2007·10 cites·11 claims
- 1491US6617878B2Voltage level shifter and display deviceSHARP KK·Filed 2002·Granted Sep 9, 2003·39 cites·5 claims
- 1591US6580411B1Latch circuit, shift register circuit and image display device operated with a low consumption of powerSHARP KK·Filed 1999·Granted Jun 17, 2003·117 cites·29 claims
- 1691US6556162B2Digital-to-analog converter and active matrix liquid crystal displaySHARP KK·Filed 2001·Granted Apr 29, 2003·54 cites·20 claims
- 1789US6262598B1Voltage level shifterSHARP KK·Filed 2000·Granted Jul 17, 2001·40 cites·13 claims
- 1888US7978169B2Signal processing circuit, low-voltage signal generator and image display incorporating the sameSHARP KK·Filed 2008·Granted Jul 12, 2011·7 cites·13 claims
- 1988US7460099B2Latch circuit, shift register circuit, logical circuit and image display device operated with a low consumption of powerSHARP KK·Filed 2004·Granted Dec 2, 2008·41 cites·16 claims
- 2088US7333096B2Display device and driving method thereofSHARP KK·Filed 2002·Granted Feb 19, 2008·33 cites·14 claims
- 2188US6879313B1Shift register circuit, image display apparatus having the circuit, and driving method for LCD devicesSHARP KK·Filed 2000·Granted Apr 12, 2005·33 cites·23 claims
- 2286US8248348B2Level shifter circuit and display device provided therewithMURAKAMI YUHICHIROH·Filed 2007·Granted Aug 21, 2012·6 cites·26 claims
- 2386US8130216B2Display device having display area and non-display area, and driving method thereofWASHIO HAJIME·Filed 2007·Granted Mar 6, 2012·7 cites·42 claims
- 2486US6724363B1Two-way shift register and image display device using the sameSHARP KK·Filed 2000·Granted Apr 20, 2004·38 cites·36 claims
- 2585US7196699B1Latch circuit, shift register circuit, logical circuit and image display device operated with a low consumption of powerSHARP KK·Filed 2000·Granted Mar 27, 2007·35 cites·7 claims
- 2685US7133017B2Shift register and display device using sameSHARP KK·Filed 2003·Granted Nov 7, 2006·23 cites·20 claims
- 2784US9299302B2Display deviceWASHIO HAJIME·Filed 2011·Granted Mar 29, 2016·5 cites·2 claims
- 2884US7274351B2Driver circuit and shift register of display device and display deviceSHARP KK·Filed 2003·Granted Sep 25, 2007·27 cites·25 claims
- 2984US6836269B2Precharge circuit and image display device using the sameSHARP KK·Filed 2001·Granted Dec 28, 2004·27 cites·15 claims
- 3083US7659877B2Shift register and display device using the sameSHARP KK·Filed 2004·Granted Feb 9, 2010·25 cites·14 claims
- 3183US7369113B2Driving device of display device, display device and driving method of display deviceSHARP KK·Filed 2005·Granted May 6, 2008·19 cites·17 claims
- 3282US7190342B2Shift register and display apparatus using sameSHARP KK·Filed 2003·Granted Mar 13, 2007·23 cites·29 claims
- 3381US6873313B2Image display device and driving method thereofSHARP KK·Filed 2001·Granted Mar 29, 2005·24 cites·48 claims
- 3481US6359491B1Voltage level shifter and poly-silicon displaySHARP KK·Filed 2000·Granted Mar 19, 2002·24 cites·29 claims
- 3580US7505022B2Shift register and display deviceSHARP KK·Filed 2005·Granted Mar 17, 2009·4 cites·17 claims
- 3678US7248243B2Level shifter circuit and display device provided therewithSHARP KK·Filed 2003·Granted Jul 24, 2007·17 cites·4 claims
- 3778US6940500B2Image display device and display driving methodSHARP KK·Filed 2002·Granted Sep 6, 2005·18 cites·9 claims
- 3875US10914981B2Light emitting deviceNICHIA CORP·Filed 2019·Granted Feb 9, 2021·1 cites·12 claims
- 3975US8098225B2Display device driving circuit and display device including sameMURAKAMI YUHICHIROH·Filed 2005·Granted Jan 17, 2012·3 cites·8 claims
- 4075US6618043B2Image display device and image display methodSHARP KK·Filed 2000·Granted Sep 9, 2003·16 cites·30 claims
- 4174US7649521B2Image display apparatusSHARP KK·Filed 2005·Granted Jan 19, 2010·4 cites·2 claims
- 4274US7042433B1Signal line driving circuit and image display deviceSHARP KK·Filed 2000·Granted May 9, 2006·12 cites·6 claims
- 4372US7701426B2Display device and method of driving the sameSHARP KK·Filed 2004·Granted Apr 20, 2010·12 cites·19 claims
- 4472US7358950B2Signal processing circuit, low-voltage signal generator, and image display incorporating the sameSHARP KK·Filed 2002·Granted Apr 15, 2008·11 cites·18 claims
- 4572US7212184B2Shift register and image display deviceSHARP KK·Filed 2004·Granted May 1, 2007·10 cites·28 claims
- 4669US7365727B2Two-way shift register and image display device using the sameSHARP KK·Filed 2004·Granted Apr 29, 2008·14 cites·31 claims
- 4769US6996203B2Bidirectional shift register and display device incorporating sameSHARP KK·Filed 2004·Granted Feb 7, 2006·11 cites·19 claims
- 4868US7289097B2Scanning direction control circuit and display deviceSHARP KK·Filed 2003·Granted Oct 30, 2007·10 cites·32 claims
- 4967US8174479B2Shift register, circuit driving display device, and display deviceMURAKAMI YUHICHIROH·Filed 2006·Granted May 8, 2012·1 cites·16 claims
- 5067US7042431B1Image display device and driving method of the sameSHARP KK·Filed 2000·Granted May 9, 2006·12 cites·26 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →