Inventor · Vancouver, WA, US

Kenneth Williams

41Patents
13h-index
58Co-inventors
84Inventor score

Filing activity: Oct 23, 1987 → Jul 8, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5602574A Matrix pen arrangement for inkjet printing Performing Operations; Transporting 104 Expired
US6068370A Fluidic delivery system with tubing and manifolding for an off-axis printing system Performing Operations; Transporting 50 Expired
US6003981A Replaceable module for a printing composition delivery system of a printing device Performing Operations; Transporting 29 Expired
US6467874B1 Pen positioning in page wide array printers Performing Operations; Transporting 28 Expired
US6367918B1 Unitary latching device for secure positioning of print cartridge during printing, priming and replenishment Performing Operations; Transporting 23 Expired
US5751322A Limited access needle/septum ink-supply interface mechanism Performing Operations; Transporting 23 Expired
US6394579B1 Fluid ejecting device with varied nozzle spacing Performing Operations; Transporting 22 Expired
US6494630B2 Datum structure for compact print cartridge Performing Operations; Transporting 22 Expired
US6154232A Drum-based printers using multiple pens per color Performing Operations; Transporting 20 Expired
US6299287A Printhead arrangement to eliminate bi-directional hue shifting Performing Operations; Transporting 20 Expired
US6164749A Method for user alignment of a color printer Performing Operations; Transporting 18 Expired
US6164771A Compact print cartridge with oppositely located fluid and electrical interconnects Performing Operations; Transporting 18 Expired
US6575553B1 Inkjet residue cleaning system for inkjet cartridges Performing Operations; Transporting 15 Expired
US6378987B2 Method for reducing torsional deflections Performing Operations; Transporting 10 Expired
USD313426S Printer font cartridge General 10 Expired
US6364458B2 Pivoted printhead handle with recessed rest position Electricity 9 Expired
US6238039A Carriage for ink-jet hard copy apparatus Performing Operations; Transporting 6 Expired
US7575315B2 Multiple print unit configurations Performing Operations; Transporting 5 Active
US8430585B2 Print bar lift and method Performing Operations; Transporting 4 Active
US6736488B1 Electrical interconnect for printhead assembly Electricity 3 Expired
US6554397B1 Pen positioning in page wide array printers Performing Operations; Transporting 3 Expired
US8353566B2 Print bar lift Performing Operations; Transporting 2 Active
US6916084B2 Carriage for ink-jet hard copy apparatus Performing Operations; Transporting 2 Expired
US11267254B2 Fluid recirculation within printing device reservoir via extraction pump and supply pump Performing Operations; Transporting 1 Active
US6913353B2 Inkjet fixer fluid applicator Performing Operations; Transporting 1 Expired

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