Inventor

KUMAGAI SHIGEMI

JP7 patents

⚠️ This page may combine multiple inventors who share the name “KUMAGAI SHIGEMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

6 patents

US9988227B2Jun 5, 2018

Sheet conveying apparatus and image forming apparatus

CANON KK5 citations68

US12360488B2Jul 15, 2025

Image forming apparatus and circuit board for image forming apparatus

CANON KK0 citations58

US9568880B2Feb 14, 2017

Sheet processing apparatus and image forming apparatus having binding processing function

CANON KK1 citations51

US11747759B2Sep 5, 2023

Image forming apparatus having a motor to drive a pickup roller

CANON KK0 citations47

US9134647B2Sep 15, 2015

Image forming apparatus that corrects developing bias voltage

CANON KK0 citations40

US10723574B2Jul 28, 2020

Sheet conveyance apparatus, document feeding apparatus, document reading apparatus, and image forming apparatus

CANON KK0 citations36

KUMAGAI SHIGEMI

1 patent

US8553248B2Oct 8, 2013

Image forming apparatus

KUMAGAI SHIGEMI7 citations78