Inventor · disambiguated record
Shigemi Kumagai
Also filed as: KUMAGAI SHIGEMI
7 granted patents·1 pending application·13 citations·filing 2006–2023
75Inventor score
Top patents by PatentIndex Score
8 records- 0186US9988227B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2017·Granted Jun 5, 2018·5 cites·11 claims
- 0269US8553248B2Image forming apparatusKUMAGAI SHIGEMI·Filed 2006·Granted Oct 8, 2013·7 cites·11 claims
- 0366US12360488B2Image forming apparatus and circuit board for image forming apparatusCANON KK·Filed 2023·Granted Jul 15, 2025·0 cites·19 claims
- 0464US9568880B2Sheet processing apparatus and image forming apparatus having binding processing functionCANON KK·Filed 2015·Granted Feb 14, 2017·1 cites·25 claims
- 0551US10723574B2Sheet conveyance apparatus, document feeding apparatus, document reading apparatus, and image forming apparatusCANON KK·Filed 2018·Granted Jul 28, 2020·0 cites·34 claims
- 0647US11747759B2Image forming apparatus having a motor to drive a pickup rollerCANON KK·Filed 2022·Granted Sep 5, 2023·0 cites·18 claims
- 0744US9134647B2Image forming apparatus that corrects developing bias voltageCANON KK·Filed 2014·Granted Sep 15, 2015·0 cites·3 claims
- 0836US2020270083A1Sheet conveying apparatusCANON KK·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Shigemi Kumagai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →