Inventor · disambiguated record
Woongyong Choi
Also filed as: CHOI WOONGYONG
11 granted patents·5 citations·filing 2018–2022
80Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO11
Top patents by PatentIndex Score
11 records- 0183US11364725B2Authentication mechanismsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jun 21, 2022·2 cites·15 claims
- 0281US11209754B2Structure for selectively locking toner inlet shutter of toner refill portionHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Dec 28, 2021·2 cites·15 claims
- 0375US11366407B2Structure to refill toner to development cartridge mounted in main bodyHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jun 21, 2022·1 cites·13 claims
- 0461US12282273B2Development device having rotatable wiper wiping optical surface of lensHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Apr 22, 2025·0 cites·15 claims
- 0558US11209747B2Dispensers with plungersHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Dec 28, 2021·0 cites·20 claims
- 0657US11204568B2Plunger locking structure in syringe type toner refill cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Dec 21, 2021·0 cites·20 claims
- 0755US12235596B2Toner refill cartridge indicating whether toner has been dischargedHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Feb 25, 2025·0 cites·16 claims
- 0854US12393138B2Toner refill cartridge having structure in which driving force is transmitted through toner outletHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Aug 19, 2025·0 cites·15 claims
- 0948US12111604B2Structure for mounting development cartridge in image forming apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Oct 8, 2024·0 cites·15 claims
- 1048US11231662B2Shutter structure for toner refill cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 25, 2022·0 cites·20 claims
- 1143US11467517B2Toner refill cartridge with automatic refilling structureHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Oct 11, 2022·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →