Inventor
LEE FRANCIS C
US18 patents
⚠️ This page may combine multiple inventors who share the name “LEE FRANCIS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
13 patentsUS4870433ASep 26, 1989
Thermal drop-on-demand ink jet print head
IBM155 citations98
US4513299AApr 23, 1985
Spot size modulation using multiple pulse resonance drop ejection
IBM107 citations95
US4475113AOct 2, 1984
Drop-on-demand method and apparatus using converging nozzles and high viscosity fluids
IBM89 citations95
US4791440ADec 13, 1988
Thermal drop-on-demand ink jet print head
IBM63 citations93
US6064540AMay 16, 2000
Active control for stabilizing a servo-controlled actuator system
IBM51 citations92
US4353078AOct 5, 1982
Ink jet print head having dynamic impedance adjustment
IBM29 citations92
US4323908AApr 6, 1982
Resonant purging of drop-on-demand ink jet print heads
IBM39 citations92
US4492968AJan 8, 1985
Dynamic control of nonlinear ink properties for drop-on-demand ink jet operation
IBM28 citations89
US5929326AJul 27, 1999
Glide sensor integrated suspension
IBM22 citations88
US4847636AJul 11, 1989
Thermal drop-on-demand ink jet print head
IBM20 citations80
US4698644AOct 6, 1987
Drop-on-demand ink jet print head
IBM20 citations77
US4792818ADec 20, 1988
Thermal drop-on-demand ink jet print head
IBM18 citations73
US4771298ASep 13, 1988
Drop-on-demand print head using gasket fan-in
IBM15 citations70
HITACHI GLOBAL STORAGE TECH
3 patentsUS6751063B2Jun 15, 2004
Air-bearing sliders having leading read/write head and flying with negative pitch
HITACHI GLOBAL STORAGE TECH8 citations73
US6697216B2Feb 24, 2004
Disk drives with upstream-oriented heads
HITACHI GLOBAL STORAGE TECH3 citations62
US6965498B2Nov 15, 2005
Air-bearing sliders having leading read/write head and flying with negative pitch
HITACHI GLOBAL STORAGE TECH0 citations51