Inventor · disambiguated record
Fumihiko Hayayumi
Also filed as: HAYAYUMI FUMIHIKO
13 granted patents·1 pending application·63 citations·filing 2011–2025
89Inventor score
Top patents by PatentIndex Score
14 records- 0196US8770578B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2013·Granted Jul 8, 2014·20 cites·9 claims
- 0292US9637329B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2015·Granted May 2, 2017·7 cites·11 claims
- 0390US8523173B2Sheet feeder and image forming apparatusHAYAYUMI FUMIHIKO·Filed 2012·Granted Sep 3, 2013·15 cites·8 claims
- 0489US10577203B2Sheet stacking apparatus and image forming apparatusCANON KK·Filed 2018·Granted Mar 3, 2020·3 cites·17 claims
- 0588US8888092B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2014·Granted Nov 18, 2014·7 cites·13 claims
- 0684US9671736B2Unit moving apparatus and image forming apparatusCANON KK·Filed 2016·Granted Jun 6, 2017·2 cites·10 claims
- 0778US2025303766A1Image forming systemCANON KK·Filed 2025·Application pending·0 cites
- 0875US9501028B2Unit moving apparatus and image forming apparatusCANON KK·Filed 2016·Granted Nov 22, 2016·1 cites·16 claims
- 0974US11802013B2Sheet stacking apparatus and image forming apparatusCANON KK·Filed 2022·Granted Oct 31, 2023·0 cites·18 claims
- 1074US9310752B2Unit moving device and image forming apparatusHIURA HIROSHI·Filed 2011·Granted Apr 12, 2016·6 cites·22 claims
- 1170US12504708B2Image forming apparatus with a door provided with conductive portionsCANON KK·Filed 2024·Granted Dec 23, 2025·0 cites·10 claims
- 1269US10399802B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2018·Granted Sep 3, 2019·1 cites·15 claims
- 1368US9436154B2Sheet containing apparatus having a containing portion with lock mechanism and an image forming apparatus having a containing portion with lock mechanismCANON KK·Filed 2014·Granted Sep 6, 2016·1 cites·16 claims
- 1467US11396434B2Sheet stacking apparatus and image forming apparatusCANON KK·Filed 2020·Granted Jul 26, 2022·0 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →