Inventor
Hiroomi Matsuzaki
Inventor
Mishima, JP
Overview
Patents· 62 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography94%
Y10TTechnical subjects covered by former us classification3%
B29CShaping or joining of plastics2%
LOC162%
PatentTitleYear
10,642,189Developer container unit, developing apparatus, and process cartridge202010,620,567Developer accommodating unit, process cartridge and electrophotographic image forming apparatus202010,571,857Rotatable member, process cartridge and image forming apparatus202010,527,970Developer accommodating unit, process cartridge and electrophotographic image forming apparatus202010,423,120Cartridge and image forming apparatus having roller supported by roller supporting portions201910,310,416Seal member, unit, and image forming apparatus201910,191,406Rotatable member and electrophotographic image forming apparatus including the rotatable member201910,185,251Reproduction method for developing device201910,175,599Rotating member, process cartridge, and image forming apparatus201910,175,609Developer accommodating unit, process cartridge and electrophotographic image forming apparatus201910,162,289Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus201810,048,646Image forming apparatus with frame body and detachable cartridge with integrated photosensitive drum201810,001,727Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus20189,996,020Roller, rotating member unit, cartridge, and image forming apparatus20189,885,978'Developer accommodating unit, process cartridge and electrophotographic image forming apparatus'20189,857,733'Sealing member having a seal portion and a supporting portion'20189,811,049'Cartridge and image forming apparatus'20179,665,040'Developer accommodating unit, process cartridge and electrophotographic image forming apparatus'20179,599,930'Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus'20179,529,304'Developer accommodating unit, process cartridge, and electrophotographic image forming apparatus'20169,500,977'Roller member, roller supporting mechanism, and metallic shaft for forming an image with a laser'20169,494,890'Developing cartridge, process cartridge and image forming apparatus'20169,417,556'Cartridge and image forming apparatus'20169,383,678'Developer accommodating container, process cartridge and image forming apparatus'20169,360,831'Developing unit, process cartridge and image forming apparatus'20169,304,439'Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus'20169,291,942'Developer accommodating unit, process cartridge and image forming apparatus'20169,213,263'Flexible developer accommodating container with unsealable openings'20159,207,581'Developer accommodating unit, developing device, process cartridge and image forming apparatus'20159,188,906'Cartridge, developing cartridge, process cartridge and image forming apparatus'20159,152,081'Developer accommodating container, process cartridge, electrophotographic image forming apparatus'20159,146,500'Developer accommodating unit'20159,058,011'Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method'20158,867,955'Developer accommodating unit, process cartridge and electrophotographic image forming apparatus'20148,824,918'Developer accommodating unit, process cartridge, electrophotographic image forming apparatus'20148,285,189'Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method'20128,073,377'Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method'20117,412,193'Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method'20087,349,657'Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method'20087,224,925'Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method'20076,934,485'Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part'20056,931,226'Process cartridge remanufacturing method'20056,795,666'Remanufacturing method for process cartridge'20046,792,229'Process cartridge, electrophotographic image forming apparatus and cartridge mounting method'20046,549,736'Process cartridge, engaging member therefor and method for mounting developing roller and magnet'2003D0460980'Image forming apparatus'20026,405,004'Process cartridge and image forming apparatus'20026,282,389'Electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatus'20016,266,502'Process cartridge with cleaning frame having reinforcing member'20016,219,504'Process cartridge and image forming apparatus'20016,208,817'Developing apparatus and method for assembling the same'20016,205,305'Developing apparatus having welded-together accommodating and developing containers'20016,173,145'Developing apparatus with drive mechanism for developer bearing body'20016,173,140'Coupling member, process cartridge and assembling method of process cartridge'20016,144,815'Developing device, process cartridge and electrophotographic image forming apparatus'20006,097,906'Electrophotographic image forming apparatus having a main assembly connector and a process cartridge having a cartridge connector electrically connectable with the main assembly connector'20006,064,841'Power supply for a charging apparatus having a contact charger for charging an object to be charged'20006,011,941'Process cartridge and electrophotographic image forming apparatus'20005,966,567'Process cartridge and electrophotographic image forming apparatus'19995,943,529'Process cartridge and electrophotographic image forming apparatus'19995,832,343'Toner supply method, toner accommodation container, process cartridge and electrophotographic image forming apparatus'19985,781,831'Developing apparatus, process cartridge, image forming apparatus and assembly method for process cartridges'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2020Patents assigned to CANON KK (61)· patent assignee history
1998Based in Kawasaki, JP· patent location history
1999–2020Based in Mishima, JP· patent location history
2011–2015Patents assigned to MATSUZAKI HIROOMI (3)· patent assignee history
2011–2015Patents assigned to SUZUKI AKIRA (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 61 | 1998–2020 |
| MATSUZAKI HIROOMIself | 3 | 2011–2015 |
| SUZUKI AKIRA | 3 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mishima, JP | 60 | 1999–2020 |
| Kawasaki, JP | 2 | 1998 |