Inventor · disambiguated record
Shuhei Tokiwa
Also filed as: TOKIWA SHUHEI
21 granted patents·3 pending applications·26 citations·filing 2014–2025
91Inventor score
Technology areasG03G
Files withCANON KK24
Top patents by PatentIndex Score
24 records- 0197US11860566B2Image forming apparatusCANON KK·Filed 2022·Granted Jan 2, 2024·6 cites·37 claims
- 0293US12181826B2Image forming apparatusCANON KK·Filed 2022·Granted Dec 31, 2024·2 cites·12 claims
- 0391US12253811B2Developing deviceCANON KK·Filed 2023·Granted Mar 18, 2025·1 cites·19 claims
- 0490US9442418B2Developing device, process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Sep 13, 2016·4 cites·57 claims
- 0586US9134649B2Image forming apparatusCANON KK·Filed 2014·Granted Sep 15, 2015·4 cites·7 claims
- 0684US9261811B2Developer carrying member, developing assembly, process cartridge, and image forming apparatusCANON KK·Filed 2014·Granted Feb 16, 2016·3 cites·10 claims
- 0782US9298128B2Image forming apparatusCANON KK·Filed 2014·Granted Mar 29, 2016·3 cites·10 claims
- 0878US2025348015A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0977US2025036064A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1076US12271140B2Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatusCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·11 claims
- 1176US2025181011A1Developing deviceCANON KK·Filed 2025·Application pending·0 cites
- 1273US9405217B2Developer carrying member and image forming apparatusCANON KK·Filed 2015·Granted Aug 2, 2016·1 cites·5 claims
- 1372US9594320B2Toner and method of producing the tonerCANON KK·Filed 2015·Granted Mar 14, 2017·1 cites·3 claims
- 1472US9261814B2Developer carrying member, developing assembly, process cartridge, and image forming apparatusCANON KK·Filed 2014·Granted Feb 16, 2016·1 cites·10 claims
- 1557US10871743B2Cleaning device for removing a developer, process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Dec 22, 2020·0 cites·23 claims
- 1656US12204269B2Image forming apparatus including movable brush memberCANON KK·Filed 2023·Granted Jan 21, 2025·0 cites·6 claims
- 1756US10852686B2Cleaning device for image bearing member, process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Dec 1, 2020·0 cites·10 claims
- 1851US12124182B2Image-forming apparatus to control potential difference based on image-forming operationCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·12 claims
- 1950US12393135B2Image forming apparatusCANON KK·Filed 2023·Granted Aug 19, 2025·0 cites·18 claims
- 2050US12313982B2Image forming apparatus having longer term anti-foggingCANON KK·Filed 2023·Granted May 27, 2025·0 cites·16 claims
- 2150US11378910B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted Jul 5, 2022·0 cites·13 claims
- 2245US11675288B2Image forming apparatusCANON KK·Filed 2022·Granted Jun 13, 2023·0 cites·19 claims
- 2345US11650515B2Image forming apparatusCANON KK·Filed 2022·Granted May 16, 2023·0 cites·19 claims
- 2443US10578991B2Image forming apparatus having nip portion holding recording material between transfer member and image bearing memberCANON KK·Filed 2019·Granted Mar 3, 2020·0 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →