Inventor · Burnaby, BC, CA

David Chen

42Patents
12h-index
21Co-inventors
81Inventor score

Filing activity: Jan 26, 1976 → Jan 24, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9027062B2 Gateway apparatus and methods for digital content delivery in a network Electricity 40 Active
US8843953B1 Methods and apparatus for providing parental or guardian control and visualization over communications to various devices in the home Electricity 36 Active
USD603567S1 Hummingbird feeder General 28 Expired
USD721208S1 Bird feeder General 26 Active
US4015778A Multifunctional folding chair Human Necessities 23 Expired
USD513814S1 Lint remover General 23 Expired
USD794259S1 Bird feeder General 20 Active
USD707401S1 Bird feeder General 20 Active
US8024821B2 Detachable connective device for toilet seat Human Necessities 15 Active
US6019122A Membrane-type inflation nozzle Emerging Cross-Sectional Technologies 14 Expired
US9402107B2 Apparatus and methods for delivery of multicast and unicast content in a content delivery network Electricity 14 Active
US9292826B1 Adaptive bit rates in multicast communications Performing Operations; Transporting 13 Active
US9351479B2 Hummingbird feeder Human Necessities 9 Active
US8065755B2 Water jet injector for sanitary self-cleaning toilet seat device Fixed Constructions 8 Active
US8832750B2 Media synchronization within home network using set-top box as gateway Electricity 4 Active
USD959252S1 Screen frame corner General 4 Active
USD1024355S1 Spigot for a glass railing system General 3 Active
US6155901A Light-emitting inflatable envelope structure Human Necessities 3 Expired
US9706237B2 TV playlist Electricity 3 Active
US9769512B2 System and method for delivering media based on viewer behavior Electricity 3 Active
US9131283B2 Apparatus and methods for multimedia coordination Electricity 2 Active
US8950359B2 Suspended receptacle having a removable lid Human Necessities 2 Active
US9210476B1 Methods and apparatus for delivering application data to applications Electricity 2 Active
US9525851B2 System and method for sharing digital images over a content-based network Electricity 1 Active
US10182252B2 System and method for delivering media based on viewer behavior Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.