Inventor
Fumihiko Utsuno
Inventor
Suntou-gun, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography83%
C08JWorking-up17%
PatentTitleYear
11,112,718Electrophotographic member, process cartridge, and electrophotographic apparatus202110,942,471Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus202110,831,126Developing roller having crown-shaped electro-conductive layer with outer surface providing electrically insulating first regions adjacent to second regions having higher conductivity202010,831,127Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus202010,303,079Electrophotographic member, process cartridge and electrophotographic apparatus2019Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019–2021Patents assigned to CANON KK (5)· patent assignee history
2019–2021Based in Suntou-gun, JP· patent location history
2020Based in Moriya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 5 | 2019–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suntou-gun, JP | 3 | 2019–2021 |
| Moriya, JP | 2 | 2020 |