Inventor
Woongyong CHOI
Inventor
KR
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography75%
B41JTypewriters19%
G02BOptical elements, systems or apparatus6%
PatentTitleYear
12,547,097Toner cartridge with waste toner dispersing member connected to and driven by toner transport member202612,393,138Toner refill cartridge having structure in which driving force is transmitted through toner outlet202512,282,273Development device having rotatable wiper wiping optical surface of lens202512,235,596Toner refill cartridge indicating whether toner has been discharged202512,111,604Structure for mounting development cartridge in image forming apparatus202411,467,517Toner refill cartridge with automatic refilling structure202211,364,725Authentication mechanisms202211,366,407Structure to refill toner to development cartridge mounted in main body202211,231,662Shutter structure for toner refill cartridge202211,209,747Dispensers with plungers202111,209,754Structure for selectively locking toner inlet shutter of toner refill portion202111,204,568Plunger locking structure in syringe type toner refill cartridge2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (12)· patent assignee history
2021–2026Based in KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 12 | 2021–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 12 | 2021–2026 |