Inventor
TSUJI HIROFUMI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “TSUJI HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOCERA DOCUMENT SOLUTIONS INC
20 patentsUS9075375B2Jul 7, 2015
Driving device and image forming apparatus provided with same
KYOCERA DOCUMENT SOLUTIONS INC5 citations73
US11500307B2Nov 15, 2022
Toner conveying device of image forming apparatus including pushing member to push conveyance member from different directions
KYOCERA DOCUMENT SOLUTIONS INC2 citations72
US10599080B2Mar 24, 2020
Fixing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US9176456B2Nov 3, 2015
Image forming unit and image forming apparatus comprising first process roller and second process roller
KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US12449747B2Oct 21, 2025
Developing device and image forming apparatus therewith
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US12411437B2Sep 9, 2025
Toner container and image forming apparatus including the toner container
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11906922B2Feb 20, 2024
Sorting device and image forming apparatus therewith
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11693336B2Jul 4, 2023
Toner conveying device of image forming apparatus including pushing member to push conveyance member from different directions
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US11314194B2Apr 26, 2022
Lighting device, static eliminating device, and image forming apparatus therewith
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US10824091B2Nov 3, 2020
Development device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US10114313B2Oct 30, 2018
Toner conveying device, image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US9244422B2Jan 26, 2016
Cleaning device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US9058012B2Jun 16, 2015
Photosensitive drum unit, and image forming apparatus using the same
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US12060241B2Aug 13, 2024
Sheet conveying device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations44
US10838322B2Nov 17, 2020
Toner conveying device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US10809659B2Oct 20, 2020
Cleaning device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US10175630B2Jan 8, 2019
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US10088800B2Oct 2, 2018
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US9329568B1May 3, 2016
Developing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US10824093B2Nov 3, 2020
Development device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations40