Inventor · disambiguated record
Hiroki Nakamatsu
Also filed as: NAKAMATSU HIROKI
12 granted patents·2 pending applications·51 citations·filing 2008–2020
88Inventor score
Technology areasG03G
Top patents by PatentIndex Score
14 records- 0190US8019268B2Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling deviceRICOH CO LTD·Filed 2009·Granted Sep 13, 2011·11 cites·14 claims
- 0290US7817954B2Cleaning unit, image carrier unit including same, and image forming apparatus including sameRICOH KK·Filed 2008·Granted Oct 19, 2010·11 cites·13 claims
- 0389US7903995B2Cleaning device, image forming apparatus, and process cartridgeRICOH CO LTD·Filed 2009·Granted Mar 8, 2011·10 cites·17 claims
- 0487US9042779B2Transfer belt device and image forming apparatus including the sameKOGURE SEIICHI·Filed 2013·Granted May 26, 2015·5 cites·19 claims
- 0583US10185255B2Image forming apparatus and image forming method for controlling a secondary transfer bias according to recording sheet typeRICOH CO LTD·Filed 2017·Granted Jan 22, 2019·2 cites·19 claims
- 0681US8467709B2Image forming apparatus having a movably supported transfer belt detectorKOGURE SEIICHI·Filed 2011·Granted Jun 18, 2013·3 cites·10 claims
- 0779US10955771B2Belt control device and image forming apparatus incorporating sameKUMAGAI NAOHIRO·Filed 2020·Granted Mar 23, 2021·1 cites·7 claims
- 0879US8457536B2Transfer device and image forming apparatus including sameNAKAMATSU HIROKI·Filed 2010·Granted Jun 4, 2013·4 cites·16 claims
- 0973US8190077B2Cleaning device and image forming apparatusNARUSE OSAMU·Filed 2009·Granted May 29, 2012·4 cites·9 claims
- 1056US11112734B2Belt device, belt regulator, roller unit, and image forming apparatusKUMAGAI NAOHIRO·Filed 2020·Granted Sep 7, 2021·0 cites·10 claims
- 1146US10281848B2Image forming apparatus and image forming methodWADA YUUJI·Filed 2017·Granted May 7, 2019·0 cites·20 claims
- 1244US8326174B2Cleaning unit for an electrophotographic image forming apparatus having a polarity control memberNARUSE OSAMU·Filed 2010·Granted Dec 4, 2012·0 cites·16 claims
- 1343US2010008706A1Cleaning device and image forming apparatusSUGIURA KENJI·Filed 2009·Application pending·0 cites
- 1441US2009035038A1Cleaning device, image carrier unit, and image forming apparatusSUGIMOTO NAOMI·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →