Inventor · disambiguated record
Chiyoaki Iijima
Also filed as: IIJIMA CHIYOAKI
63 granted patents·3 pending applications·1,212 citations·filing 1983–2017
99Inventor score
Top patents by PatentIndex Score
66 records- 0198US6909479B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2001·Granted Jun 21, 2005·82 cites·28 claims
- 0297US4909606ALiquid crystal display deviceSEIKO EPSON CORP·Filed 1989·Granted Mar 20, 1990·174 cites·29 claims
- 0396US4844569ALiquid crystal display device and method of fabricationSEIKO EPSON CORP·Filed 1987·Granted Jul 4, 1989·128 cites·38 claims
- 0492US6768481B2Display device and electronic equipment employing the sameSEIKO EPSON CORP·Filed 2002·Granted Jul 27, 2004·43 cites·36 claims
- 0591US7250999B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2006·Granted Jul 31, 2007·8 cites·6 claims
- 0691US6930667B1Liquid crystal panel driving method, liquid crystal device, and electronic apparatusSEIKO EPSON CORP·Filed 2000·Granted Aug 16, 2005·48 cites·26 claims
- 0789US7030946B2Liquid crystal display device, substrate assembly for liquid crystal display device, and electronic apparatus having a substantially equivalent display quality in both transmissive and reflective display modesSEIKO EPSON CORP·Filed 2002·Granted Apr 18, 2006·29 cites·9 claims
- 0888US7221419B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted May 22, 2007·6 cites·7 claims
- 0988US6124905ADisplay device employing a reflective polarizer and a reflective diffuser between a light source and the display deviceSEIKO EPSON CORP·Filed 1998·Granted Sep 26, 2000·91 cites·21 claims
- 1087US7339642B2Liquid crystal display device having sub pixels with transmissive regions extending entirely across the sub pixelSEIKO EPSON CORP·Filed 2005·Granted Mar 4, 2008·8 cites·5 claims
- 1186US6359668B1Display device and electronic apparatus using the sameSEIKO EPSON CORP·Filed 1998·Granted Mar 19, 2002·90 cites·10 claims
- 1285US6906767B1LCD with diffuser having particular haze value and diffuser-reflector distance, and reduced parallaxSEIKO EPSON CORP·Filed 2000·Granted Jun 14, 2005·30 cites·9 claims
- 1385US6738115B1Reflective LCD, semitransmitting reflective LCD and electronic deviceSEIKO EPSON CORP·Filed 2000·Granted May 18, 2004·22 cites·9 claims
- 1484US7518679B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2008·Granted Apr 14, 2009·4 cites·8 claims
- 1583US7218363B2Transflective liquid crystal display device with no retardation layer on the transmissive regions, manufacturing method thereof and electronic apparatusSEIKO EPSON CORP·Filed 2003·Granted May 15, 2007·20 cites·14 claims
- 1681US9329460B2ProjectorSEIKO EPSON CORP·Filed 2014·Granted May 3, 2016·4 cites·7 claims
- 1781US6141068ADisplay devices, electronic apparatus using the same, and polarized light separatorSEIKO EPSON CORP·Filed 1998·Granted Oct 31, 2000·65 cites·24 claims
- 1879US7474367B2Transflective liquid crystal display device with no retardation layer on the transmissive regions, manufacturing method thereof and electronic apparatusSEIKO EPSON CORP·Filed 2006·Granted Jan 6, 2009·4 cites·19 claims
- 1977US7321410B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2006·Granted Jan 22, 2008·4 cites·10 claims
- 2076US7408602B2Liquid crystal display and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Aug 5, 2008·2 cites·6 claims
- 2176US7349047B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2007·Granted Mar 25, 2008·2 cites·9 claims
- 2274US7724222B2Image display device and electronic apparatusEPSON IMAGING DEVICES CORP·Filed 2006·Granted May 25, 2010·4 cites·5 claims
- 2371US7619705B2Transflective liquid crystal display device with no retardation layer on the transmissive regions, manufacturing method thereof and electronic apparatusSEIKO EPSON CORP·Filed 2008·Granted Nov 17, 2009·2 cites·20 claims
- 2471US5119216AElectro-optical deviceSEIKO EPSON CORP·Filed 1988·Granted Jun 2, 1992·29 cites·49 claims
- 2570US7379133B2Reflective LCD, semitransmitting reflective LCD and electronic deviceSEIKO EPSON CORP·Filed 2005·Granted May 27, 2008·2 cites·8 claims
- 2669US7161647B2Liquid crystal display device and electronic deviceSEIKO EPSON CORP·Filed 2003·Granted Jan 9, 2007·11 cites·10 claims
- 2769US5838408ALiquid crystal device and electronic equipment using the sameSEIKO EPSON CORP·Filed 1995·Granted Nov 17, 1998·42 cites·19 claims
- 2867US6462724B1Display device and electronic equipment employing the sameSEIKO EPSON CORP·Filed 1998·Granted Oct 8, 2002·31 cites·32 claims
- 2964US6870586B2Liquid crystal display device and electronic deviceSEIKO EPSON CORP·Filed 2002·Granted Mar 22, 2005·8 cites·11 claims
- 3063US7176997B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2004·Granted Feb 13, 2007·1 cites·9 claims
- 3161US7345668B2Method of driving liquid crystal panel, liquid crystal device, and electronic apparatusSEIKO EPSON CORP·Filed 2004·Granted Mar 18, 2008·6 cites·21 claims
- 3260US7072008B2Liquid crystal display device, method for manufacturing the same, and electronic apparatusSEIKO EPSON CORP·Filed 2003·Granted Jul 4, 2006·6 cites·10 claims
- 3358US6507380B1Display device and electronic apparatus using the sameSEIKO EPSON CORP·Filed 1998·Granted Jan 14, 2003·25 cites·23 claims
- 3458US5136405ALiquid crystal display device with compensator having Δnxd and twist angle calculated using the liquid crystal's parametersSEIKO EPSON CORP·Filed 1989·Granted Aug 4, 1992·18 cites·14 claims
- 3557US7443471B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2007·Granted Oct 28, 2008·0 cites·19 claims
- 3657US5174920ALiquid crystal display deviceSEIKO EPSON CORP·Filed 1990·Granted Dec 29, 1992·14 cites·2 claims
- 3756US9386260B2Projector with variable synchronization timingSEIKO EPSON CORP·Filed 2014·Granted Jul 5, 2016·0 cites·7 claims
- 3856US6798468B1Display device with a light-reflective polarizer and electronic apparatus employing the sameSEIKO EPSON CORP·Filed 2000·Granted Sep 28, 2004·5 cites·12 claims
- 3955US6118504ADisplay device and electronic apparatus comprising the sameSEIKO EPSON CORP·Filed 1997·Granted Sep 12, 2000·23 cites·35 claims
- 4055US5191454AMulti-colored liquid crystal display deviceSEIKO EPSON CORP·Filed 1989·Granted Mar 2, 1993·16 cites·19 claims
- 4154US6977699B2Liquid-crystal display device and electronic equipmentSEIKO EPSON CORP·Filed 2002·Granted Dec 20, 2005·4 cites·8 claims
- 4252US7023509B2Liquid crystal display device with a partial reflector and a polarizer on the partial reflector and an electronic apparatusSEIKO EPSON CORP·Filed 2003·Granted Apr 4, 2006·4 cites·8 claims
- 4352US6914652B2Liquid crystal display device, method for producing the liquid crystal display device, and electronic apparatusSEIKO EPSON CORP·Filed 2003·Granted Jul 5, 2005·3 cites·10 claims
- 4452US6233029B1Display device and electronic apparatus using the same having a reflective polarizer between LCD and optical element which emits light responsive to light from polarizerSEIKO EPSON CORP·Filed 1997·Granted May 15, 2001·20 cites·41 claims
- 4552US2008273150A1Liquid crystal display device, substrate assembly for liquid crystal display device, and electronic apparatusIIJIMA CHIYOAKI·Filed 2008·Application pending·0 cites
- 4651US8583217B2In vivo drug concentration distribution measuring device, variable-wavelength filter used for the same, and in vivo drug concentration distribution measuring methodKATASE MAKOTO·Filed 2009·Granted Nov 12, 2013·0 cites·8 claims
- 4751US6300989B1Display device using polarized light separating means and electronic apparatus using the sameSEIKO EPSON CORP·Filed 1998·Granted Oct 9, 2001·17 cites·19 claims
- 4851US4522470ALiquid crystal composition and display deviceEPSON CORP·Filed 1983·Granted Jun 11, 1985·11 cites·26 claims
- 4950US8149197B2Electro-optical device, drive method for electro-optical device, and electronic apparatusIIJIMA CHIYOAKI·Filed 2006·Granted Apr 3, 2012·0 cites·20 claims
- 5050US6989877B2Liquid crystal display device and electronic apparatusSEIKO EPSON CORP·Filed 2002·Granted Jan 24, 2006·3 cites·13 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →