Inventor · disambiguated record
Taiji Katsura
Also filed as: KATSURA TAIJI
26 granted patents·10 pending applications·268 citations·filing 2011–2025
95Inventor score
Technology areasG03G
Top patents by PatentIndex Score
36 records- 0198US11249408B2TonerCANON KK·Filed 2020·Granted Feb 15, 2022·12 cites·11 claims
- 0297US11169460B2TonerCANON KK·Filed 2019·Granted Nov 9, 2021·19 cites·4 claims
- 0397US11003105B2Toner and toner manufacturing methodCANON KK·Filed 2019·Granted May 11, 2021·21 cites·8 claims
- 0497US11003104B2TonerCANON KK·Filed 2019·Granted May 11, 2021·21 cites·6 claims
- 0597US10976679B2TonerCANON KK·Filed 2019·Granted Apr 13, 2021·21 cites·8 claims
- 0697US10942466B2Toner with an external additive of an organosilicon polymer particle having a hydroxyl groupCANON KK·Filed 2019·Granted Mar 9, 2021·21 cites·9 claims
- 0797US10114303B2TonerCANON KK·Filed 2015·Granted Oct 30, 2018·46 cites·7 claims
- 0897US9632441B2TonerCANON KK·Filed 2014·Granted Apr 25, 2017·34 cites·10 claims
- 0996US10635011B2TonerCANON KK·Filed 2019·Granted Apr 28, 2020·17 cites·5 claims
- 1096US9720340B2TonerCANON KK·Filed 2015·Granted Aug 1, 2017·33 cites·7 claims
- 1194US11573519B2Electrophotographic apparatus and process cartridgeCANON KK·Filed 2022·Granted Feb 7, 2023·4 cites·8 claims
- 1294US8980517B2TonerCANON KK·Filed 2013·Granted Mar 17, 2015·11 cites·7 claims
- 1386US9645518B2TonerCANON KK·Filed 2015·Granted May 9, 2017·3 cites·11 claims
- 1481US9005865B2TonerCANON KK·Filed 2014·Granted Apr 14, 2015·2 cites·3 claims
- 1577US9563142B2TonerCANON KK·Filed 2013·Granted Feb 7, 2017·2 cites·7 claims
- 1673US2025321513A1Developing roller, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1769US10409186B2Toner and image forming methodCANON KK·Filed 2014·Granted Sep 10, 2019·1 cites·9 claims
- 1860US2018210361A1TonerCANON KK·Filed 2018·Application pending·0 cites
- 1959US11841681B2TonerCANON KK·Filed 2021·Granted Dec 12, 2023·0 cites·7 claims
- 2054US12443119B2Process cartridge and electrophotographic apparatusCANON KK·Filed 2023·Granted Oct 14, 2025·0 cites·17 claims
- 2154US11960242B2TonerCANON KK·Filed 2021·Granted Apr 16, 2024·0 cites·4 claims
- 2253US12271150B2TonerCANON KK·Filed 2022·Granted Apr 8, 2025·0 cites·10 claims
- 2353US12147172B2Developing device, cleaning method, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2023·Granted Nov 19, 2024·0 cites·11 claims
- 2453US2012115079A1TonerIKEDA NAOTAKA·Filed 2011·Application pending·0 cites
- 2552US12474649B2Toner and method for producing tonerCANON KK·Filed 2022·Granted Nov 18, 2025·0 cites·9 claims
- 2651US9023575B2Toner and method for producing tonerCANON KK·Filed 2013·Granted May 5, 2015·0 cites·6 claims
- 2749US12405545B2Toner and method for producing tonerCANON KK·Filed 2022·Granted Sep 2, 2025·0 cites·6 claims
- 2847US2023273542A1Toner set, image forming method, and image forming apparatusCANON KK·Filed 2023·Application pending·0 cites
- 2947US2023288826A1Process cartridge and electrophotographic apparatusCANON KK·Filed 2023·Application pending·0 cites
- 3047US2024369949A1Toner and process cartridgeCANON KK·Filed 2024·Application pending·0 cites
- 3147US2023273541A1Toner and method for producing tonerCANON KK·Filed 2023·Application pending·0 cites
- 3247US2023288867A1Process cartridge and electrophotographic apparatusCANON KK·Filed 2023·Application pending·0 cites
- 3345US12210317B2Toner, external additive for toner, and fine particleCANON KK·Filed 2021·Granted Jan 28, 2025·0 cites·8 claims
- 3443US9494887B2TonerCANON KK·Filed 2013·Granted Nov 15, 2016·0 cites·7 claims
- 3536US2017060008A1Image forming method, process cartridge and electrophotographic apparatusCANON KK·Filed 2016·Application pending·0 cites
- 3632US2015248072A1TonerCANON KK·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →