Inventor · disambiguated record
Yongnam Ahn
Also filed as: AHN YONGNAM
8 granted patents·1 pending application·3 citations·filing 2010–2022
73Inventor score
Top patents by PatentIndex Score
9 records- 0175US11366407B2Structure to refill toner to development cartridge mounted in main bodyHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jun 21, 2022·1 cites·13 claims
- 0261US12282273B2Development device having rotatable wiper wiping optical surface of lensHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Apr 22, 2025·0 cites·15 claims
- 0357US11204568B2Plunger locking structure in syringe type toner refill cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Dec 21, 2021·0 cites·20 claims
- 0454US12393138B2Toner 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
- 0549US12271120B2Toner refill cartridge having pump for automatic toner refillingHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Apr 8, 2025·0 cites·15 claims
- 0649US8966936B2Expansion valve and air conditioner for vehicles having the sameAHN YONGNAM·Filed 2010·Granted Mar 3, 2015·2 cites·8 claims
- 0748US11392058B2Toner refilling portion of development cartridge to provide feedback indicating inlet shutter positionHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jul 19, 2022·0 cites·19 claims
- 0844US2011308270A1Dual air conditioner for vehicleMAENG CHANJOO·Filed 2011·Application pending·0 cites
- 0928USD907698SDevelopment cartridge for a printerHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 12, 2021·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →