Inventor
Atsushi Uematsu
Inventor
Fuji, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography80%
Y10TTechnical subjects covered by former us classification13%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
PatentTitleYear
10,248,042Electrophotographic roller, process cartridge and electrophotographic apparatus201910,025,216Charging member with electro-conductive elastic layer having exposed bowl-shaped resin particles, process cartridge and electrophotographic apparatus20189,678,452'Roller for electrophotography, process cartridge, and image-forming apparatus'20179,599,914'Electrophotographic member having bow-shaped resin particles defining concavity and protrusion at surface thereof'20179,448,502'Charging member, process cartridge and electrophotographic apparatus'20169,411,307'Process cartridge and electrophotographic apparatus'20169,335,650'Image forming apparatus and process cartridge utilizing a porous charging member'20169,304,429'Charging member, process cartridge, and electrophotographic apparatus'20169,291,936'Image-forming apparatus with electro-conductive resin layer having resin particles and process cartridge'20169,274,442'Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion'20169,098,006'Roller member for electrophotography, process cartridge and electrophotographic apparatus'20159,075,333'Charging member, process cartridge, and electrophotographic apparatus'20158,446,650'Document conveying device and document reading apparatus the same'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to NAGURA YASUKAZU (1)· patent assignee history
2013Patents assigned to NEC ACCESS TECHNICA LTD (1)· patent assignee history
2013Patents assigned to UCHIDA TORU (1)· patent assignee history
2013Patents assigned to UEMATSU ATSUSHI (1)· patent assignee history
2013Based in Kakegawa, JP· patent location history
2015–2019Patents assigned to CANON KK (12)· patent assignee history
2015–2019Based in Fuji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 12 | 2015–2019 |
| NAGURA YASUKAZU | 1 | 2013 |
| NEC ACCESS TECHNICA LTD | 1 | 2013 |
| UCHIDA TORU | 1 | 2013 |
| UEMATSU ATSUSHIself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fuji, JP | 12 | 2015–2019 |
| Kakegawa, JP | 1 | 2013 |