Inventor · disambiguated record
Hiroyuki Naganawa
Also filed as: NAGANAWA HIROYUKI
11 granted patents·1 pending application·25 citations·filing 2006–2019
85Inventor score
Top patents by PatentIndex Score
12 records- 0186US7764889B2Image-forming deviceBROTHER IND LTD·Filed 2007·Granted Jul 27, 2010·9 cites·15 claims
- 0284US8270861B2Image forming apparatus and exposure control method of controlling exposure thereinTAKAHASHI MASAMITSU·Filed 2010·Granted Sep 18, 2012·4 cites·20 claims
- 0382US9509219B2Power supply system, image forming apparatus having the power supply system, and control method of the power supply systemINUKAI KATSUMI·Filed 2014·Granted Nov 29, 2016·3 cites·13 claims
- 0474US9037010B2Heating device and image forming apparatus including error processingBROTHER IND LTD·Filed 2012·Granted May 19, 2015·2 cites·6 claims
- 0569US7813658B2Image forming apparatusBROTHER IND LTD·Filed 2008·Granted Oct 12, 2010·3 cites·9 claims
- 0658US8155545B2Image forming apparatus and charge-voltage generating methodNAGANAWA HIROYUKI·Filed 2010·Granted Apr 10, 2012·1 cites·9 claims
- 0755US7933525B2Image forming apparatus including a cleaning deviceBROTHER IND LTD·Filed 2007·Granted Apr 26, 2011·1 cites·17 claims
- 0849US7499292B2Power device and power adjusting methodBROTHER IND LTD·Filed 2006·Granted Mar 3, 2009·2 cites·12 claims
- 0942US8050588B2Image forming apparatus with low voltage power supplyBROTHER IND LTD·Filed 2008·Granted Nov 1, 2011·0 cites·3 claims
- 1041US8165480B2Image forming apparatus with image carrier deterioration detectionHAMAYA MASAHITO·Filed 2008·Granted Apr 24, 2012·0 cites·9 claims
- 1138US10749424B2Switching power supplyBROTHER IND LTD·Filed 2019·Granted Aug 18, 2020·0 cites·2 claims
- 1237US2010166446A1Image forming apparatusBROTHER IND LTD·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →