Inventor
Tomoya Ichikawa
Inventor
Kanagawa, JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography80%
F16CShafts7%
F16HGearing5%
LOC165%
B08BCleaning in general2%
H01RElectrically-conductive connections2%
PatentTitleYear
D0906414Foil unit for a foil transfer apparatus202010,788,784Image forming apparatus including developing cartridge, toner container, and supply tube202010,747,173Developing cartridge providing layout of electrodes and detection gear202010,663,917Image forming apparatus202010,663,916Image forming apparatus202010,649,366Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade202010,466,646Process cartridge and image forming apparatus201910,379,492Developing cartridge providing layout of electrodes and detection gear2019D0849131Toner cartridge201910,241,467Developing cartridge providing layout of electrodes and detection gear201910,108,130Developer cartridge having developer electrode20189,964,922Developing cartridge providing layout of electrodes and detection gear20189,829,086Pulley apparatus20179,488,950'Contact member, image holding member, and image forming apparatus'20169,273,772'Pulley apparatus'20168,761,632'Image forming apparatus and rotary developing device'20148,744,310'Detachable unit and image forming apparatus'20148,718,531'Cleaning apparatus having damping unit to regulate vibration'20148,682,221'Discharger and image forming apparatus'20148,682,186'Image forming device comprising charging device having plural discharge portions'20148,634,755'Cleaning unit, image carrier unit, and image forming apparatus'20148,588,640'Electrical connection structure, electrical connection method, electrical connection member, and image forming apparatus'20138,577,247'Discharger and image forming apparatus having an electrode cleaning detection member'20138,543,028'Maintenance system, cleaning system, and image forming apparatus'20138,509,671'Cleaner and image forming apparatus'20138,385,769'Image forming apparatus having a plurality of cleaning members and computer readable medium for the same'20138,280,296'Powder transporting device and image forming apparatus'20128,195,079'Collection device and image forming apparatus'20128,135,293'Image forming apparatus and apparatus'20128,135,326'Image forming apparatus'20128,131,165'Image forming apparatus and waste powder transporting method'20128,116,645'Image forming apparatus with multiple waste powder storing containers'20128,116,644'Image forming apparatus and waste powder transporting method'20128,036,586'Developer delivering device and image forming apparatus'20117,965,972'Image forming apparatus, powder transporting apparatus and waste-powder transporting method'20117,835,667'Discharger, image carrier unit, and image forming apparatus'20107,813,690'Cleaning device'20107,711,284'Cleaning device for a charging roller of an electrophotographic system'20107,616,913'Charging roller cleaning device with guiding portion and image forming device having same'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2016Patents assigned to FUJI XEROX CO LTD (25)· patent assignee history
2009–2016Based in Kanagawa, JP· patent location history
2010–2012Based in Ebina, JP· patent location history
2012–2016Patents assigned to ICHIKAWA TOMOYA (19)· patent assignee history
2013–2014Patents assigned to KIMURA AKIKO (6)· patent assignee history
2013–2014Patents assigned to ICHIKAWA YUZO (5)· patent assignee history
2017Based in Fujisawa, JP· patent location history
2018–2020Patents assigned to BROTHER IND LTD (12)· patent assignee history
2018–2020Based in Nagoya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI XEROX CO LTD | 25 | 2009–2016 |
| ICHIKAWA TOMOYAself | 19 | 2012–2016 |
| BROTHER IND LTD | 12 | 2018–2020 |
| KIMURA AKIKO | 6 | 2013–2014 |
| ICHIKAWA YUZO | 5 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 18 | 2009–2016 |
| Nagoya, JP | 12 | 2018–2020 |
| Ebina, JP | 8 | 2010–2012 |
| Fujisawa, JP | 1 | 2017 |