David R. Thomas
39Patents
16h-index
50Co-inventors
84Inventor score
Filing activity: Oct 29, 1981 → Sep 24, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6003977A | Bubble valving for ink-jet printheads | Performing Operations; Transporting | 116 | Expired |
| US6697642B1 | Wireless communications apparatus | Electricity | 105 | Expired |
| US6498939B1 | Wireless network | Electricity | 100 | Expired |
| US7027659B1 | Method and apparatus for generating video images | Electricity | 96 | Expired |
| US6781623B1 | Vertical compensation in a moving camera | Electricity | 67 | Expired |
| US7065498B1 | Supply of digital audio and video products | Physics | 64 | Expired |
| US6126276A | Fluid jet printhead with integrated heat-sink | Performing Operations; Transporting | 63 | Expired |
| US5883650A | Thin-film printhead device for an ink-jet printer | Performing Operations; Transporting | 60 | Expired |
| US6305790A | Fully integrated thermal inkjet printhead having multiple ink feed holes per nozzle | Performing Operations; Transporting | 31 | Expired |
| US6309054A | Pillars in a printhead | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6403995B2 | Semiconductor digital loudspeaker array | Electricity | 23 | Expired |
| US4902957A | DC/DC converter | Electricity | 20 | Expired |
| US6543884B1 | Fully integrated thermal inkjet printhead having etched back PSG layer | Performing Operations; Transporting | 20 | Expired |
| US6153114A | Thin-film printhead device for an ink-jet printer | Performing Operations; Transporting | 19 | Expired |
| US6336714B1 | Fully integrated thermal inkjet printhead having thin film layer shelf | Performing Operations; Transporting | 18 | Expired |
| US6614466B2 | Telescopic reconstruction of facial features from a speech pattern | Physics | 16 | Expired |
| US6660175B2 | Method of forming pillars in a fully integrated thermal inkjet printhead | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4603399A | Data processing apparatus for address substitution | Physics | 12 | Expired |
| US6641744B1 | Method of forming pillars in a fully integrated thermal inkjet printhead | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6905619B2 | Method of forming pillars in a fully integrated thermal inkjet printhead | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5376830A | High frequency slope compensation circuit for current programmed converter | Electricity | 9 | Expired |
| US6239820A | Thin-film printhead device for an ink-jet printer | Performing Operations; Transporting | 8 | Expired |
| US6918657B2 | Fully integrated thermal inkjet printhead having etched back PSG layer | Performing Operations; Transporting | 8 | Expired |
| US8175375B2 | Method of compression of video telephony images | Electricity | 7 | Active |
| US6517735B2 | Ink feed trench etch technique for a fully integrated thermal inkjet printhead | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.