Inventor · disambiguated record
Tomohito Ishida
Also filed as: ISHIDA TOMOHITO
27 granted patents·10 pending applications·226 citations·filing 1999–2025
96Inventor score
Files withCANON KK37
Top patents by PatentIndex Score
37 records- 0198US11249407B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2020·Granted Feb 15, 2022·12 cites·6 claims
- 0298US11237493B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2020·Granted Feb 1, 2022·12 cites·20 claims
- 0398US11181837B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2020·Granted Nov 23, 2021·12 cites·7 claims
- 0498US11126097B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2020·Granted Sep 21, 2021·12 cites·7 claims
- 0597US11392074B2Electrophotographic photosensitive member having outer surface with first and second structure groups, the first structure group having a smaller appearance period and a lower height than the second structure groupCANON KK·Filed 2021·Granted Jul 19, 2022·7 cites·7 claims
- 0697US7751737B2Image forming apparatus which corrects charge potential on an image carrierCANON KK·Filed 2007·Granted Jul 6, 2010·45 cites·8 claims
- 0794US6996358B2Toner kit, toner, method for forming an image, and image forming apparatusCANON KK·Filed 2003·Granted Feb 7, 2006·48 cites·123 claims
- 0891US11782353B2Method for producing electrophotographic photosensitive memberCANON KK·Filed 2021·Granted Oct 10, 2023·2 cites·8 claims
- 0991US9026011B2Image forming apparatusCANON KK·Filed 2013·Granted May 5, 2015·7 cites·11 claims
- 1091US7381509B2Toner kit, deep-color cyan toner, pale-color cyan toner, and image forming methodCANON KK·Filed 2007·Granted Jun 3, 2008·10 cites·18 claims
- 1187US7512349B2Image forming apparatus and method featuring correction for compensating differences in surface potential characteristics of an image supporting bodyCANON KK·Filed 2006·Granted Mar 31, 2009·9 cites·26 claims
- 1285US10539888B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2018·Granted Jan 21, 2020·2 cites·6 claims
- 1385US9488945B2Image forming apparatus and image forming method for reducing toner bearing amount, and storage medium thereofCANON KK·Filed 2015·Granted Nov 8, 2016·3 cites·17 claims
- 1477US2025291266A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1577US2025291308A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1675US6879788B2Image forming apparatus with density detecting meansCANON KK·Filed 2003·Granted Apr 12, 2005·11 cites·27 claims
- 1769US7288356B2Toner kit, deep-color cyan toner, pale-color cyan toner, and image forming methodCANON KK·Filed 2004·Granted Oct 30, 2007·9 cites·21 claims
- 1868US12153370B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2023·Granted Nov 26, 2024·0 cites·12 claims
- 1967US12153376B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2023·Granted Nov 26, 2024·0 cites·13 claims
- 2065US11619907B2Process cartridgeCANON KK·Filed 2022·Granted Apr 4, 2023·0 cites·7 claims
- 2161US7603064B2Unit for tone-processing image data using screen pattern with different screen angles for toners of same hue and different densityCANON KK·Filed 2005·Granted Oct 13, 2009·2 cites·5 claims
- 2258US6803932B2Image forming apparatusCANON KK·Filed 2003·Granted Oct 12, 2004·14 cites·4 claims
- 2353US2024345496A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2450US7643174B2Semiconductor laser drive control deviceCANON KK·Filed 2006·Granted Jan 5, 2010·0 cites·8 claims
- 2549US12045006B2Electrophotographic photosensitive memberCANON KK·Filed 2021·Granted Jul 23, 2024·0 cites·5 claims
- 2649US2023408937A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2023·Application pending·0 cites
- 2749US2024004322A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2023·Application pending·0 cites
- 2846US12248273B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2022·Granted Mar 11, 2025·0 cites·6 claims
- 2945US7343112B2Image forming apparatus using hypochromatic toner and hyperchromatic tonerCANON KK·Filed 2004·Granted Mar 11, 2008·2 cites·7 claims
- 3045US6205306B1Electrophotographic apparatusCANON KK·Filed 1999·Granted Mar 20, 2001·7 cites·12 claims
- 3144US7792447B2Image heating apparatus with temperature control in relation to glass transition of tonerCANON KK·Filed 2008·Granted Sep 7, 2010·0 cites·3 claims
- 3241US2014270826A1Image forming apparatusCANON KK·Filed 2014·Application pending·0 cites
- 3340US2013216263A1Image forming apparatusCANON KK·Filed 2013·Application pending·0 cites
- 3436US2017146930A1Developing apparatusCANON KK·Filed 2016·Application pending·0 cites
- 3535US2016299453A1Image forming apparatusCANON KK·Filed 2016·Application pending·0 cites
- 3633US9454103B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 27, 2016·0 cites·43 claims
- 3732US2016011539A1Image forming apparatusCANON KK·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →