Inventor · disambiguated record
Satoshi Sunahara
Also filed as: SUNAHARA SATOSHI
30 granted patents·3 pending applications·210 citations·filing 1999–2025
96Inventor score
Top patents by PatentIndex Score
33 records- 0192US7215904B2Image forming apparatus groupCANON KK·Filed 2005·Granted May 8, 2007·15 cites·23 claims
- 0292US6128462ACleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatusCANON KK·Filed 1999·Granted Oct 3, 2000·55 cites·20 claims
- 0391US12253811B2Developing deviceCANON KK·Filed 2023·Granted Mar 18, 2025·1 cites·19 claims
- 0489US9927730B2Image forming apparatus that effects removal of residual tonerCANON KK·Filed 2016·Granted Mar 27, 2018·4 cites·22 claims
- 0588US8036544B2Image forming apparatus and method of detecting amount of residual developerCANON KK·Filed 2008·Granted Oct 11, 2011·8 cites·8 claims
- 0687US9442454B2Image forming apparatus having an image bearing member charged with predetermined polarity and potentialCANON KK·Filed 2015·Granted Sep 13, 2016·3 cites·17 claims
- 0786US6175703B1Image forming apparatus and process cartridgeCANON KK·Filed 1999·Granted Jan 16, 2001·40 cites·30 claims
- 0885US7460798B2Image forming apparatus and method of detecting amount of residual developerCANON KK·Filed 2005·Granted Dec 2, 2008·7 cites·9 claims
- 0982US10877396B2Image forming apparatusCANON KK·Filed 2019·Granted Dec 29, 2020·1 cites·18 claims
- 1081US9835973B2Image forming apparatus having cleaner-less developer systemCANON KK·Filed 2016·Granted Dec 5, 2017·2 cites·5 claims
- 1180US6882806B2Charging apparatus determining a peak-to-peak voltage to be applied to a charging memberCANON KK·Filed 2003·Granted Apr 19, 2005·19 cites·13 claims
- 1279US7035560B2Image forming apparatus having charging member supplied with a plurality of alternating voltages and memory for storing information for selecting the voltagesCANON KK·Filed 2003·Granted Apr 25, 2006·15 cites·14 claims
- 1376US9727002B2Image forming apparatus having an image bearing member charged with predetermined polarity and potentialCANON KK·Filed 2016·Granted Aug 8, 2017·1 cites·9 claims
- 1476US2025181011A1Developing deviceCANON KK·Filed 2025·Application pending·0 cites
- 1575US9977368B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted May 22, 2018·1 cites·22 claims
- 1670US9547273B2Image forming apparatus having simultaneous development and cleaningCANON KK·Filed 2015·Granted Jan 17, 2017·1 cites·12 claims
- 1770US9158231B2Image forming apparatus having process condition controlCANON KK·Filed 2013·Granted Oct 13, 2015·1 cites·14 claims
- 1870US7162173B2Image forming apparatus using an ordered set of first, second and charging AC peak to peak voltagesCANON KK·Filed 2004·Granted Jan 9, 2007·10 cites·14 claims
- 1969US9442417B2Developing device, developer regulating process, and image forming deviceCANON KK·Filed 2015·Granted Sep 13, 2016·1 cites·13 claims
- 2066US11493857B2Image forming apparatusCANON KK·Filed 2020·Granted Nov 8, 2022·0 cites·12 claims
- 2165US7194215B2Process cartridge comprising memory medium storing information for selecting one of a plurality of alternating voltages applied to charging member and such a memory mediumCANON KK·Filed 2005·Granted Mar 20, 2007·2 cites·10 claims
- 2265US7174112B2Image forming apparatus featuring a transfer bias having a polarity opposite to a polarity of a charged tonerCANON KK·Filed 2006·Granted Feb 6, 2007·2 cites·8 claims
- 2362US6226464B1Developer apparatus featuring a developer container partition portion disposed between a detecting member and an agitating memberCANON KK·Filed 1999·Granted May 1, 2001·15 cites·12 claims
- 2457US2025208557A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2554US12181813B2Image forming apparatusCANON KK·Filed 2023·Granted Dec 31, 2024·0 cites·13 claims
- 2654US10234806B2Image forming apparatusCANON KK·Filed 2018·Granted Mar 19, 2019·0 cites·14 claims
- 2749US9915892B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2016·Granted Mar 13, 2018·0 cites·20 claims
- 2848US11537065B2Developing unit, process cartridge, and image forming apparatus using toner to develop toner imageCANON KK·Filed 2021·Granted Dec 27, 2022·0 cites·15 claims
- 2947US8942616B2Cleaning member, cleaning device and process cartridgeSUNAHARA SATOSHI·Filed 2012·Granted Jan 27, 2015·0 cites·30 claims
- 3044US11003108B2Development device, cartridge, and image forming apparatusCANON KK·Filed 2020·Granted May 11, 2021·0 cites·15 claims
- 3143US2014178094A1Developing unit, process cartridge and image forming apparatusCANON KK·Filed 2013·Application pending·0 cites
- 3241US9645537B2Image forming apparatus capable of detecting presence or absence of a cartridge or a shape of the cartridge without increasing the number of componentsCANON KK·Filed 2015·Granted May 9, 2017·0 cites·19 claims
- 3337US6219510B1Charging member employing layers formed with aqueous resinCANON KK·Filed 1999·Granted Apr 17, 2001·6 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Satoshi Sunahara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →