Inventor · disambiguated record
Kuniaki Hirukawa
Also filed as: HIRUKAWA KUNIAKI
31 granted patents·1 pending application·110 citations·filing 2010–2024
96Inventor score
Top patents by PatentIndex Score
32 records- 0197US9688008B2Manufacturing method for cartridge having a molded electrodeCANON KK·Filed 2016·Granted Jun 27, 2017·13 cites·10 claims
- 0296US10691063B2Process cartridge and image forming apparatusCANON KK·Filed 2018·Granted Jun 23, 2020·9 cites·20 claims
- 0396US8879944B2Cartridge having molded resin electrodeTAKARADA HIROSHI·Filed 2012·Granted Nov 4, 2014·22 cites·57 claims
- 0495US9696684B2Process cartridge and image forming apparatusCANON KK·Filed 2016·Granted Jul 4, 2017·7 cites·2 claims
- 0595US9367025B2Cartridge including cartridge electrode integrally molded with frameTAKARADA HIROSHI·Filed 2014·Granted Jun 14, 2016·13 cites·13 claims
- 0695US9063501B2Developer accommodating unit with light guide member for detecting remaining toner amountCANON KK·Filed 2013·Granted Jun 23, 2015·19 cites·16 claims
- 0789US12292711B2Process cartridge and image forming apparatusCANON KK·Filed 2024·Granted May 6, 2025·0 cites·30 claims
- 0888US12174582B2Process cartridge and image forming apparatusCANON KK·Filed 2024·Granted Dec 24, 2024·0 cites·16 claims
- 0984US12130581B2Process cartridge and image forming apparatusCANON KK·Filed 2023·Granted Oct 29, 2024·0 cites·53 claims
- 1083US8355648B2CartridgeCANON KK·Filed 2010·Granted Jan 15, 2013·4 cites·6 claims
- 1181US9519264B2Process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Dec 13, 2016·2 cites·6 claims
- 1279US11687029B2Process cartridge and image forming apparatusCANON KK·Filed 2021·Granted Jun 27, 2023·0 cites·53 claims
- 1375US11320782B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted May 3, 2022·0 cites·14 claims
- 1475US11314201B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted Apr 26, 2022·0 cites·18 claims
- 1575US10838356B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Nov 17, 2020·0 cites·29 claims
- 1671US9964921B2Process cartridge and image forming apparatusCANON KK·Filed 2017·Granted May 8, 2018·0 cites·9 claims
- 1771US9599955B2Developer storage unit, development device, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Mar 21, 2017·1 cites·32 claims
- 1870US9310713B2Developer container, developing device, process cartridge, and image forming apparatusCANON KK·Filed 2015·Granted Apr 12, 2016·1 cites·25 claims
- 1970US9116503B2Developing unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Aug 25, 2015·1 cites·13 claims
- 2069US9239544B2Development apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2013·Granted Jan 19, 2016·1 cites·38 claims
- 2167US9098012B2Electrophotographic image forming apparatus and process cartridgeYAMAMOTO SHINYA·Filed 2012·Granted Aug 4, 2015·1 cites·22 claims
- 2264US9933725B2Developing device, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Apr 3, 2018·0 cites·15 claims
- 2363US9618880B2Developing device, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2016·Granted Apr 11, 2017·0 cites·12 claims
- 2461US9535370B2Developing device, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Jan 3, 2017·0 cites·29 claims
- 2558US2017160674A1Developer storage unit development device process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Application pending·0 cites
- 2655US9081323B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2013·Granted Jul 14, 2015·0 cites·10 claims
- 2752USD788213SProcess cartridge for image forming apparatusCANON KK·Filed 2015·Granted May 30, 2017·6 cites·1 claims
- 2849US9417605B2Image forming apparatus and process cartridgeCANON KK·Filed 2015·Granted Aug 16, 2016·0 cites·16 claims
- 2947US9046814B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2013·Granted Jun 2, 2015·0 cites·26 claims
- 3045USD789446SProcess cartridge for image forming apparatusCANON KK·Filed 2015·Granted Jun 13, 2017·4 cites·1 claims
- 3141USD790005SProcess cartridge for image forming apparatusCANON KK·Filed 2015·Granted Jun 20, 2017·3 cites·1 claims
- 3241USD790004SProcess cartridge for image forming apparatusCANON KK·Filed 2015·Granted Jun 20, 2017·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →