Inventor
Seungchan PARK
Inventor
KR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography67%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems17%
LOC1617%
PatentTitleYear
12,393,157Rotational force transmission structure2025D1075907Toner cartridge202512,001,156Developing device with magnetic member having plurality of magnetic poles202411,693,333Toner cartridge having coupler cover movable interconnected with shutter202311,353,807Toner cartridge movable to detachment direction by reverse rotation of coupler202211,251,708Inverting switching regulator using charge pump and operating method thereof2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (5)· patent assignee history
2022Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2022–2025Based in KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 5 | 2022–2025 |
| SAMSUNG ELECTRONICS CO LTD | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 6 | 2022–2025 |