Assignee
NAGUMO AKIRA
JP·30 granted patents·36 citations·filing 2007–2012
Top patents by PatentIndex Score
30 records- 0184US8884555B2Light-emitting element array, driving device, and image forming apparatusNAGUMO AKIRA·Filed 2012·Granted Nov 11, 2014·3 cites·16 claims
- 0281US8451306B2Reference voltage generation circuit, drive device, print head, and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted May 28, 2013·3 cites·9 claims
- 0380US8093828B2Drive circuit, light emitting diode head, and image forming apparatusNAGUMO AKIRA·Filed 2009·Granted Jan 10, 2012·5 cites·12 claims
- 0475US8835974B2Driving device, print head and image forming deviceNAGUMO AKIRA·Filed 2011·Granted Sep 16, 2014·2 cites·13 claims
- 0574US8164944B2Driver circuit and image forming apparatusNAGUMO AKIRA·Filed 2010·Granted Apr 24, 2012·2 cites·12 claims
- 0673US8581946B2Driving device, optical print head and image forming deviceNAGUMO AKIRA·Filed 2011·Granted Nov 12, 2013·2 cites·21 claims
- 0772US8525861B2Drive circuit, light print head, and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted Sep 3, 2013·2 cites·4 claims
- 0870US8184139B2Redundance control of temperature compensation for a LED printheadNAGUMO AKIRA·Filed 2008·Granted May 22, 2012·4 cites·16 claims
- 0969US8698864B2Driver apparatus, print head and image forming apparatusNAGUMO AKIRA·Filed 2012·Granted Apr 15, 2014·1 cites·10 claims
- 1069US8258723B2Light-emitting element array, driving device, and image forming apparatusNAGUMO AKIRA·Filed 2009·Granted Sep 4, 2012·2 cites·17 claims
- 1168US8390657B2Driver circuit, optical print head, and image forming apparatusNAGUMO AKIRA·Filed 2009·Granted Mar 5, 2013·3 cites·15 claims
- 1266US8848012B2Drive device, print head and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted Sep 30, 2014·1 cites·18 claims
- 1364US8149259B2Drive device, LED array, LED head, and image forming apparatus provided therewithNAGUMO AKIRA·Filed 2007·Granted Apr 3, 2012·2 cites·11 claims
- 1463US8138681B2Driving circuit, LED head and image forming apparatusNAGUMO AKIRA·Filed 2008·Granted Mar 20, 2012·2 cites·17 claims
- 1552US8421427B2Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatusNAGUMO AKIRA·Filed 2008·Granted Apr 16, 2013·0 cites·17 claims
- 1652US8400137B2Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatusNAGUMO AKIRA·Filed 2008·Granted Mar 19, 2013·2 cites·24 claims
- 1750US8723903B2Drive device, LED array, LED head, and image forming apparatus provided therewithNAGUMO AKIRA·Filed 2012·Granted May 13, 2014·0 cites·23 claims
- 1849US8542262B2Light emitting element array, drive circuit, optical print head, and image forming apparatusNAGUMO AKIRA·Filed 2009·Granted Sep 24, 2013·0 cites·8 claims
- 1949US8284219B2Drive circuit, optical print head, and image forming apparatusNAGUMO AKIRA·Filed 2010·Granted Oct 9, 2012·0 cites·13 claims
- 2048US8106931B2Semiconductor device, print head and image forming apparatusNAGUMO AKIRA·Filed 2008·Granted Jan 31, 2012·0 cites·12 claims
- 2146US8089501B2Light emitting apparatus, optical printhead, and image forming apparatusNAGUMO AKIRA·Filed 2008·Granted Jan 3, 2012·0 cites·8 claims
- 2244US8471884B2Driving device, print head and image forming deviceNAGUMO AKIRA·Filed 2011·Granted Jun 25, 2013·0 cites·10 claims
- 2343US8704862B2Semiconductor composite device, method of manufacturing the same, optical print head and image forming apparatusNAGUMO AKIRA·Filed 2010·Granted Apr 22, 2014·0 cites·20 claims
- 2443US8614728B2Driver device, print head, and image formation apparatusNAGUMO AKIRA·Filed 2012·Granted Dec 24, 2013·0 cites·22 claims
- 2542US8742824B2Driver circuit for driving a row of switch elements such as light emitting thyristors, drive apparatus incorporating the driver circuit, and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted Jun 3, 2014·0 cites·14 claims
- 2640US8587628B2Driver apparatus, print head, and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted Nov 19, 2013·0 cites·28 claims
- 2739US9090094B2Driving circuit and apparatus, and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted Jul 28, 2015·0 cites·15 claims
- 2839US9048841B2Driver circuit, driver apparatus, and image forming apparatusNAGUMO AKIRA·Filed 2010·Granted Jun 2, 2015·0 cites·18 claims
- 2939US8836743B2Drive device, print head and image forming apparatusNAGUMO AKIRA·Filed 2011·Granted Sep 16, 2014·0 cites·11 claims
- 3038US8441289B2Driving circuit, driving device and image forming deviceNAGUMO AKIRA·Filed 2011·Granted May 14, 2013·0 cites·19 claims
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