Inventor · disambiguated record
Yoichi Wakai
Also filed as: WAKAI YOICHI
14 granted patents·5 pending applications·379 citations·filing 1980–2007
94Inventor score
Top patents by PatentIndex Score
19 records- 0193US4908710AMethod for driving a liquid crystal display deviceSEIKO EPSON CORP·Filed 1988·Granted Mar 13, 1990·97 cites·26 claims
- 0288US4743096ALiquid crystal video display device having pulse-width modulated "ON" signal for gradation displaySEIKO EPSON CORP·Filed 1987·Granted May 10, 1988·103 cites·14 claims
- 0377US7400421B2Image processing method and image processing system using the sameSEIKO EPSON CORP·Filed 2003·Granted Jul 15, 2008·16 cites·11 claims
- 0477US5247376AMethod of driving a liquid crystal display deviceSEIKO EPSON CORP·Filed 1989·Granted Sep 21, 1993·36 cites·43 claims
- 0570US7864350B2Image processing method and image processing system using the sameSEIKO EPSON CORP·Filed 2003·Granted Jan 4, 2011·9 cites·10 claims
- 0666US4646157APocket television receiversSEIKO EPSON CORP·Filed 1983·Granted Feb 24, 1987·17 cites·17 claims
- 0765US7426051B2Image processing method and image processing system using the sameSEIKO EPSON CORP·Filed 2003·Granted Sep 16, 2008·7 cites·21 claims
- 0857US6662080B2Electronic data distribution apparatus and distribution methodSEIKO EPSON CORP·Filed 2001·Granted Dec 9, 2003·8 cites·10 claims
- 0957US5790089AMethod of driving an active matrix type liquid crystal displaySEIKO EPSON CORP·Filed 1995·Granted Aug 4, 1998·24 cites·44 claims
- 1055US5526013AMethod of driving an active matrix type liquid crystal displaySEIKO EPSON CORP·Filed 1994·Granted Jun 11, 1996·20 cites·12 claims
- 1153US2007222862A1Image processing method and image processing system using the sameSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 1249US4408328AMicroprogram control circuitSUWA SEIKOSHA KK·Filed 1981·Granted Oct 4, 1983·16 cites·12 claims
- 1346US2002138520A1System and methods for publishing and distributing an electronic bookSEIKO EPSON CORP·Filed 2001·Application pending·0 cites
- 1445US2007019020A1Printing device and printing methodSEIKO EPSON CORP·Filed 2006·Application pending·0 cites
- 1545US2007019018A1Printing device and printing methodSEIKO EPSON CORP·Filed 2006·Application pending·0 cites
- 1644US5202917ATelephone calling method and telephone apparatusPIONEER ELECTRONIC CORP·Filed 1991·Granted Apr 13, 1993·13 cites·6 claims
- 1744US2004179103A1Image processing method and image processing system using the sameFiled 2003·Application pending·0 cites
- 1843US6271817B1Method of driving liquid crystal display device that reduces afterimagesSEIKO EPSON CORP·Filed 1999·Granted Aug 7, 2001·10 cites·44 claims
- 1933US4344161AElectronic timepieceSUWA SEIKOSHA KK·Filed 1980·Granted Aug 10, 1982·3 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →