Inventor · disambiguated record
Masahiro Ootsuka
Also filed as: OOTSUKA MASAHIRO
7 granted patents·2 pending applications·25 citations·filing 2009–2022
79Inventor score
Technology areasG03G
Files withCANON KK9
Top patents by PatentIndex Score
9 records- 0193US8385754B2Image forming apparatus featuring forced discharging of excessive developerCANON KK·Filed 2010·Granted Feb 26, 2013·11 cites·5 claims
- 0290US10642192B2Developing device having a feeding screw with multiple blade portionsCANON KK·Filed 2018·Granted May 5, 2020·6 cites·14 claims
- 0386US9268263B2Development apparatus and image forming apparatusCANON KK·Filed 2015·Granted Feb 23, 2016·4 cites·27 claims
- 0474US7917066B2Developing apparatus and image forming apparatusCANON KK·Filed 2009·Granted Mar 29, 2011·4 cites·6 claims
- 0555US10088772B2Developing deviceCANON KK·Filed 2018·Granted Oct 2, 2018·0 cites·6 claims
- 0649US11774883B2Image forming apparatus that executes a mode for driving each of conveyance member and developer carrying member without executing image forming operationCANON KK·Filed 2022·Granted Oct 3, 2023·0 cites·6 claims
- 0749US2011142465A1Developing apparatus and image forming apparatusCANON KK·Filed 2011·Application pending·0 cites
- 0841US9897960B2Image forming apparatusCANON KK·Filed 2016·Granted Feb 20, 2018·0 cites·7 claims
- 0941US2015168874A1Developing apparatusCANON KK·Filed 2014·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →