Inventor · disambiguated record
Yasutomo Ishii
Also filed as: ISHII YASUTOMO
19 granted patents·1 pending application·179 citations·filing 1996–2017
94Inventor score
Technology areasG03G
Top patents by PatentIndex Score
20 records- 0194US9244376B2Developing deviceFUJI XEROX CO LTD·Filed 2014·Granted Jan 26, 2016·12 cites·20 claims
- 0289US7917064B2Charge roll, process cartridge, image forming apparatus, charging method, and cleaning method of charge rollFUJI XEROX CO LTD·Filed 2007·Granted Mar 29, 2011·10 cites·20 claims
- 0388US5842081AMethod and apparatus for charging an electrographic photoreceptorFUJI XEROX CO LTD·Filed 1996·Granted Nov 24, 1998·56 cites·20 claims
- 0487US9195168B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Nov 24, 2015·5 cites·8 claims
- 0582US7024125B2Charging device and image forming apparatusFUJI XEROX CO LTD·Filed 2003·Granted Apr 4, 2006·22 cites·23 claims
- 0679US6173136B1Fuser for two-sided imagerFUJI XEROX CO LTD·Filed 1999·Granted Jan 9, 2001·33 cites·22 claims
- 0778US9128418B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Sep 8, 2015·2 cites·10 claims
- 0867US9482991B2Image forming apparatus for transporting collected toner and new toner with reduced cloggingFUJI XEROX CO LTD·Filed 2015·Granted Nov 1, 2016·1 cites·11 claims
- 0966US7706713B2Image forming apparatus and cleaning method thereforFUJI XEROX CO LTD·Filed 2006·Granted Apr 27, 2010·3 cites·14 claims
- 1065US7474864B2Cleaning device and image forming apparatusFUJI XEROX CO LTD·Filed 2006·Granted Jan 6, 2009·2 cites·7 claims
- 1163US6243550B1Compact image formation system having a plurality of paper traysFUJI XEROX CO LTD·Filed 2000·Granted Jun 5, 2001·8 cites·8 claims
- 1257US8805249B2Image forming apparatusISHII YASUTOMO·Filed 2012·Granted Aug 12, 2014·1 cites·3 claims
- 1356US7826771B2Electrostatic latent image holder unit and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2007·Granted Nov 2, 2010·1 cites·6 claims
- 1453US6684042B2Charging device and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2002·Granted Jan 27, 2004·6 cites·25 claims
- 1551US10108109B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2017·Granted Oct 23, 2018·0 cites·10 claims
- 1649US6078762AImage formation apparatus for document production or reproductionFUJI XEROX CO LTD·Filed 1998·Granted Jun 20, 2000·8 cites·5 claims
- 1747US6222606B1Duplex imaging apparatusFUJI XEROX CO LTD·Filed 1999·Granted Apr 24, 2001·9 cites·7 claims
- 1846US10185246B2Powder material storage container and image forming apparatusFUJI XEROX CO LTD·Filed 2017·Granted Jan 22, 2019·0 cites·10 claims
- 1946US9996036B2Image forming apparatus capable of reducing image bandingFUJI XEROX CO LTD·Filed 2017·Granted Jun 12, 2018·0 cites·4 claims
- 2035US2017212450A1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →