Inventor · disambiguated record
Shuntaro Watanabe
Also filed as: WATANABE SHUNTARO
44 granted patents·16 pending applications·789 citations·filing 1991–2025
98Inventor score
Top patents by PatentIndex Score
60 records- 0199US9869943B2Method of producing toner and method of producing resin particleCANON KK·Filed 2016·Granted Jan 16, 2018·45 cites·10 claims
- 0299US9823595B2TonerCANON KK·Filed 2016·Granted Nov 21, 2017·46 cites·8 claims
- 0399US9811016B2TonerCANON KK·Filed 2016·Granted Nov 7, 2017·45 cites·11 claims
- 0499US9798256B2Method of producing tonerCANON KK·Filed 2016·Granted Oct 24, 2017·47 cites·8 claims
- 0599US9658554B2Method of producing toner and method of producing resin particleCANON KK·Filed 2016·Granted May 23, 2017·45 cites·17 claims
- 0699US9309349B2TonerCANON KK·Filed 2015·Granted Apr 12, 2016·44 cites·5 claims
- 0798US9857713B2Resin particle and method of producing the resin particle, and toner and method of producing the tonerCANON KK·Filed 2015·Granted Jan 2, 2018·45 cites·7 claims
- 0898US9798262B2Method of producing tonerCANON KK·Filed 2015·Granted Oct 24, 2017·45 cites·10 claims
- 0998US9429860B2Toner production methodCANON KK·Filed 2014·Granted Aug 30, 2016·49 cites·6 claims
- 1098US8846284B2TonerCANON KK·Filed 2013·Granted Sep 30, 2014·50 cites·8 claims
- 1198US8741519B2TonerCANON KK·Filed 2013·Granted Jun 3, 2014·48 cites·9 claims
- 1298US8603712B2TonerCANON KK·Filed 2013·Granted Dec 10, 2013·50 cites·9 claims
- 1397US10409180B2Resin fine particles, method of producing resin fine particles, method of producing resin particles, and method of producing tonerCANON KK·Filed 2018·Granted Sep 10, 2019·34 cites·17 claims
- 1497US9625844B2TonerCANON KK·Filed 2014·Granted Apr 18, 2017·29 cites·5 claims
- 1597US8785101B2TonerCANON KK·Filed 2013·Granted Jul 22, 2014·29 cites·9 claims
- 1696US10768540B2External additive, method for manufacturing external additive, and tonerCANON KK·Filed 2019·Granted Sep 8, 2020·13 cites·19 claims
- 1796US10747134B2External toner additive, method for producing external toner additive, and tonerCANON KK·Filed 2019·Granted Aug 18, 2020·13 cites·19 claims
- 1895US11112709B2Toner and toner manufacturing methodCANON KK·Filed 2019·Granted Sep 7, 2021·12 cites·16 claims
- 1995US10969704B2Magnetic toner and method for manufacturing magnetic tonerCANON KK·Filed 2019·Granted Apr 6, 2021·14 cites·19 claims
- 2093US11415902B2TonerCANON KK·Filed 2020·Granted Aug 16, 2022·3 cites·14 claims
- 2193US9176410B2TonerCANON KK·Filed 2012·Granted Nov 3, 2015·7 cites·11 claims
- 2293US7014969B2Silica fine particle, toner, two-component developer and image forming methodCANON KK·Filed 2003·Granted Mar 21, 2006·48 cites·51 claims
- 2391US9057971B2Toner and method for producing tonerCANON KK·Filed 2013·Granted Jun 16, 2015·6 cites·12 claims
- 2489US11809132B2TonerCANON KK·Filed 2021·Granted Nov 7, 2023·2 cites·6 claims
- 2589US11796930B2Magnetic tonerCANON KK·Filed 2021·Granted Oct 24, 2023·2 cites·7 claims
- 2686US10078280B2Methods for producing toner particle and producing resin particleCANON KK·Filed 2017·Granted Sep 18, 2018·2 cites·18 claims
- 2777US2025284237A1Image forming apparatus and process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 2877US2025328090A1Image forming apparatus and process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 2977US2025291266A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3077US2025291308A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3172US12457841B2Photoelectric conversion element and photoelectric conversion device including the photoelectric conversion elementCANON KK·Filed 2022·Granted Oct 28, 2025·0 cites·9 claims
- 3268US12153370B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2023·Granted Nov 26, 2024·0 cites·12 claims
- 3367US12153376B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2023·Granted Nov 26, 2024·0 cites·13 claims
- 3466US8642237B2TonerTANI ATSUSHI·Filed 2011·Granted Feb 4, 2014·1 cites·4 claims
- 3565US11619907B2Process cartridgeCANON KK·Filed 2022·Granted Apr 4, 2023·0 cites·7 claims
- 3664US9333419B2Information storage medium, game device, and serverNAMCO BANDAI GAMES INC·Filed 2013·Granted May 10, 2016·2 cites·20 claims
- 3762US7067225B2Method for forming an imageCANON KK·Filed 2004·Granted Jun 27, 2006·8 cites·7 claims
- 3860US2024286976A1Ethylene production apparatus and ethylene production methodNITERRA CO LTD·Filed 2022·Application pending·0 cites
- 3960US2024049592A1Photoelectric conversion element, and photoelectric conversion module, photoelectric conversion device, movable body, and building material each including photoelectric conversion elementCANON KK·Filed 2023·Application pending·0 cites
- 4060US2024238762A1Dehydrogenation reaction catalyst, composite catalyst and supported catalystNGK SPARK PLUG CO·Filed 2022·Application pending·0 cites
- 4159US7132207B2Toner kit and color-image-forming methodCANON KK·Filed 2005·Granted Nov 7, 2006·1 cites·20 claims
- 4258US8675700B2Laser system and laser light generation methodWATANABE SHUNTARO·Filed 2012·Granted Mar 18, 2014·1 cites·15 claims
- 4354US2025208527A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4454US2024402626A1Electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4553US12429785B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2022·Granted Sep 30, 2025·0 cites·5 claims
- 4652US12461459B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2022·Granted Nov 4, 2025·0 cites·8 claims
- 4751US2010035171A1Yellow tonerCANON KK·Filed 2009·Application pending·0 cites
- 4850US12298709B2Toner and method for producing tonerCANON KK·Filed 2021·Granted May 13, 2025·0 cites·11 claims
- 4950US12078960B2Toner and method for producing tonerCANON KK·Filed 2021·Granted Sep 3, 2024·0 cites·9 claims
- 5049US2023408937A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2023·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →