Inventor · disambiguated record
Takatoku Shimizu
Also filed as: SHIMIZU TAKATOKU
29 granted patents·523 citations·filing 1994–2015
97Inventor score
Files withOKI DATA KK12OKI ELECTRIC IND CO LTD12SHIMIZU TAKATOKU3OKI ELECTRIC INDUSTRY C LTD1OKIDATA CORP1
Top patents by PatentIndex Score
29 records- 0182US6163036ALight emitting element module with a parallelogram-shaped chip and a staggered chip arrayOKI DATA KK·Filed 1999·Granted Dec 19, 2000·68 cites·28 claims
- 0282US5523590ALED array with insulating filmsOKI ELECTRIC IND CO LTD·Filed 1994·Granted Jun 4, 1996·41 cites·12 claims
- 0381US7539429B2Image forming apparatus having a stable image densityOKI DATA KK·Filed 2006·Granted May 26, 2009·6 cites·18 claims
- 0479US8688017B2Image formation unit and image formation apparatusSHIMIZU TAKATOKU·Filed 2012·Granted Apr 1, 2014·3 cites·20 claims
- 0577US5955747AHigh-density light-emitting-diode array utilizing a plurality of isolation channelsOKI ELECTRIC IND CO LTD·Filed 1997·Granted Sep 21, 1999·53 cites·19 claims
- 0671US6559879B1LED array head, circuit board, and LED array chipOKI DATA KK·Filed 1999·Granted May 6, 2003·40 cites·8 claims
- 0771US6388696B1Led array, and led printer headOKI DATA KK·Filed 1998·Granted May 14, 2002·39 cites·31 claims
- 0870US6563138B2Low-cost, high-density light-emitting-diode array and fabrication method thereofOKI DATA KK·Filed 2000·Granted May 13, 2003·15 cites·3 claims
- 0970US5457488AMethod and apparatus for controlling array of light-emitting elementsOKI ELECTRIC IND CO LTD·Filed 1994·Granted Oct 10, 1995·34 cites·22 claims
- 1065US6211537B1LED arrayOKI ELECTRIC IND CO LTD·Filed 1998·Granted Apr 3, 2001·35 cites·14 claims
- 1164US6377292B1LED print head with reduced reflection of light leaking from edges of LED array chipsOKI DATA KK·Filed 2000·Granted Apr 23, 2002·12 cites·11 claims
- 1263US5997152ALight emitting element module and printer head using the sameOKI ELECTRIC IND CO LTD·Filed 1997·Granted Dec 7, 1999·28 cites·26 claims
- 1358US8005381B2Image forming apparatusOKI DATA KK·Filed 2008·Granted Aug 23, 2011·1 cites·18 claims
- 1457US5600157ALight-emitting and light-sensing diode array device, and light-emitting and light-sensing diode with improved sensitivityOKI ELECTRIC IND CO LTD·Filed 1996·Granted Feb 4, 1997·25 cites·10 claims
- 1556US5821567AHigh-resolution light-sensing and light-emitting diode arrayOKI ELECTRIC IND CO LTD·Filed 1996·Granted Oct 13, 1998·17 cites·29 claims
- 1652US6064418ALed array, print head, and electrophotographic printerOKI DATA KK·Filed 1998·Granted May 16, 2000·16 cites·42 claims
- 1748US8311433B2Image forming device including a cleaning member and a method of operating the sameSHIMIZU TAKATOKU·Filed 2010·Granted Nov 13, 2012·0 cites·19 claims
- 1848US6136627AHigh-resolution light-sensing and light-emitting diode array and fabrication method thereofOKI DATA KK·Filed 1998·Granted Oct 24, 2000·12 cites·22 claims
- 1946US6190935B1Low-cost, high-density light-emitting-diode array and fabrication method thereofOKI DATA KK·Filed 1999·Granted Feb 20, 2001·10 cites·2 claims
- 2046US6180961B1Light emitting semiconductor device with stacked structureOKI ELECTRIC INDUSTRY C LTD·Filed 1998·Granted Jan 30, 2001·15 cites·32 claims
- 2145US8175469B2Image forming device with variable out-of-toner and low-toner displaySHIMIZU TAKATOKU·Filed 2009·Granted May 8, 2012·0 cites·20 claims
- 2245US5972729AMethod of manufacturing light-receiving/emitting diode array chipOKI ELECTRIC IND CO LTD·Filed 1998·Granted Oct 26, 1999·12 cites·11 claims
- 2343US5869221AMethod of fabricating an LED arrayOKI ELECTRIC IND CO LTD·Filed 1997·Granted Feb 9, 1999·8 cites·16 claims
- 2442US6222208B1Light-emitting diode and light-emitting diode arrayOKI DATA KK·Filed 1998·Granted Apr 24, 2001·10 cites·14 claims
- 2542US5530268ALight-emitting diode array with anti-reflection coating providing reduced internal reflectionOKI ELECTRIC IND CO LTD·Filed 1994·Granted Jun 25, 1996·8 cites·10 claims
- 2640US6133588ALight-emitting element array and fabrication method with separate light-emitting and current-conducting diffusion areasOKI ELECTRIC IND CO LTD·Filed 1998·Granted Oct 17, 2000·8 cites·11 claims
- 2738US9535364B2Image forming apparatusOKI DATA KK·Filed 2015·Granted Jan 3, 2017·0 cites·14 claims
- 2834US6063644ALight-emitting element and array with etched surface, and fabrication method thereofOKIDATA CORP·Filed 1998·Granted May 16, 2000·4 cites·7 claims
- 2934US5733689ALed array fabrication process with improved unformityOKI ELECTRIC IND CO LTD·Filed 1996·Granted Mar 31, 1998·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →