Inventor · disambiguated record
Ryota Shibuya
Also filed as: SHIBUYA RYOTA
21 granted patents·2 pending applications·77 citations·filing 2013–2025
93Inventor score
Technology areasG03G
Files withCANON KK23
Top patents by PatentIndex Score
23 records- 0196US11966193B2Image forming apparatus and process cartridgeCANON KK·Filed 2023·Granted Apr 23, 2024·3 cites·10 claims
- 0296US11796958B2Process cartridge and image forming apparatusCANON KK·Filed 2022·Granted Oct 24, 2023·3 cites·11 claims
- 0394US11693356B2Image forming apparatus and process cartridgeCANON KK·Filed 2022·Granted Jul 4, 2023·2 cites·29 claims
- 0494US11567445B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Jan 31, 2023·7 cites·11 claims
- 0593US10915060B2Developing device having restricted movement, process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Feb 9, 2021·5 cites·28 claims
- 0693US10133215B2Developer container, developer storage unit, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Nov 20, 2018·6 cites·27 claims
- 0792US9785091B2Developer container, developer storage unit, process cartridge, and image forming apparatus having a sealing member and an unsealing memberCANON KK·Filed 2015·Granted Oct 10, 2017·6 cites·38 claims
- 0880US12228877B2Process cartridge and image forming apparatusCANON KK·Filed 2023·Granted Feb 18, 2025·0 cites·7 claims
- 0980US9335730B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2015·Granted May 10, 2016·2 cites·12 claims
- 1078US8971730B2Image forming apparatus and cartridgeCANON KK·Filed 2013·Granted Mar 3, 2015·2 cites·11 claims
- 1176US2025130527A1Process cartridge and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1273USD786968SProcess cartridge for printerCANON KK·Filed 2016·Granted May 16, 2017·15 cites·1 claims
- 1372USD823380SCartridgeCANON KK·Filed 2016·Granted Jul 17, 2018·14 cites·1 claims
- 1469USD823938SCartridgeCANON KK·Filed 2016·Granted Jul 24, 2018·12 cites·1 claims
- 1567US10649368B2Image forming apparatusCANON KK·Filed 2019·Granted May 12, 2020·0 cites·18 claims
- 1665US12379686B2Image forming apparatusCANON KK·Filed 2023·Granted Aug 5, 2025·0 cites·14 claims
- 1764US10444665B2Image forming apparatusCANON KK·Filed 2018·Granted Oct 15, 2019·0 cites·16 claims
- 1863US2021124304A1Developing device having restricted movement, process cartridge and image forming apparatusCANON KK·Filed 2021·Application pending·0 cites
- 1959US12455527B2Image forming apparatusCANON KK·Filed 2024·Granted Oct 28, 2025·0 cites·27 claims
- 2049US10180655B2Apparatus and method for stably detaching a developing unit on an image forming apparatusCANON KK·Filed 2017·Granted Jan 15, 2019·0 cites·22 claims
- 2146US11543768B2Image forming apparatusCANON KK·Filed 2021·Granted Jan 3, 2023·0 cites·11 claims
- 2244US11294320B2Image forming apparatusCANON KK·Filed 2020·Granted Apr 5, 2022·0 cites·22 claims
- 2342US10606205B2Image forming apparatusCANON KK·Filed 2018·Granted Mar 31, 2020·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →