5 Patents
- US124875512025Developing Device with Structure to Regulate Discharging Amount of Developer
Hewlett-packard Development Company, L.P.
0 cites - 0 cites
- US119278982024Developing Device with Sealing Structure to Seal Shutter for Developer Inlet of Developer Supply Portion
Hewlett-packard Development Company, L.P.
0 cites - US118358842023Structure for Opening and Shutting of Sensor for Detecting Toner Remaining in Toner Cartridge
Hewlett-packard Development Company, L.P.
0 cites - 0 cites