Inventor · disambiguated record
Toshifumi Oikawa
Also filed as: OIKAWA TOSHIFUMI
8 granted patents·3 pending applications·1 citations·filing 2018–2025
73Inventor score
Files withCANON KK11
Top patents by PatentIndex Score
11 records- 0182US11640272B2Image forming system that executes recovery processCANON KK·Filed 2021·Granted May 2, 2023·1 cites·13 claims
- 0282US2025362636A1Charge-eliminating apparatus and image forming systemCANON KK·Filed 2025·Application pending·0 cites
- 0374US2024152078A1Image forming apparatus that performs shading correction to maintain print position accuracyCANON KK·Filed 2024·Application pending·0 cites
- 0472US12039210B2Image forming system that executes recovery processCANON KK·Filed 2023·Granted Jul 16, 2024·0 cites·10 claims
- 0569US12405560B2Charge-eliminating apparatus and image forming systemCANON KK·Filed 2024·Granted Sep 2, 2025·0 cites·13 claims
- 0666US11934121B2Image forming apparatus that performs shading correction to maintain print position accuracyCANON KK·Filed 2021·Granted Mar 19, 2024·0 cites·10 claims
- 0750US10503111B2Image forming apparatus for displaying a screen to prompt a user to re-attach a container having developing materialCANON KK·Filed 2018·Granted Dec 10, 2019·0 cites·20 claims
- 0846US11435685B2Image forming apparatusCANON KK·Filed 2021·Granted Sep 6, 2022·0 cites·6 claims
- 0946US10191430B2Image forming apparatusCANON KK·Filed 2018·Granted Jan 29, 2019·0 cites·15 claims
- 1045US11470213B2Image forming apparatusCANON KK·Filed 2021·Granted Oct 11, 2022·0 cites·9 claims
- 1141US2019094781A1Image forming apparatus to and from which container containing developer can be mounted and removedCANON KK·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →