Mark Flowers
43Patents
15h-index
62Co-inventors
84Inventor score
Filing activity: Mar 5, 1986 → Sep 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4757495A | Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels | Electricity | 328 | Expired |
| US5686705A | Surface position location system and method | Physics | 161 | Expired |
| US5877458A | Surface position location system and method | Physics | 87 | Expired |
| USRE39881E1 | Surface position location system and method | General | 59 | Expired |
| US5623513A | Mitigating clipping and quantization effects in digital transmission systems | Electricity | 57 | Expired |
| US6882338B2 | Electrographic position location apparatus | Electricity | 53 | Expired |
| US6668156B2 | Print media receiving unit including platform and print media | Physics | 45 | Expired |
| US5787113A | Mitigating clipping and quantization effects in digital transmission systems | Electricity | 41 | Expired |
| US6608618B2 | Interactive apparatus using print media | Physics | 39 | Expired |
| USRE38286E1 | Surface position location system and method | General | 39 | Expired |
| US6641401B2 | Interactive apparatus with templates | Physics | 32 | Expired |
| US6661405B1 | Electrographic position location apparatus and method | Electricity | 28 | Expired |
| US7499036B2 | Electrographic position location apparatus and method | Electricity | 20 | Expired |
| US7106309B2 | Interactive apparatus using print media | Physics | 19 | Expired |
| US5754592A | Method and apparatus for randomized oversampling | Electricity | 15 | Expired |
| US6954199B2 | Three dimensional interactive system | Electricity | 14 | Expired |
| US7621441B1 | Interactive device using capacitive sensor array for joint page identification and page location determination | Physics | 12 | Active |
| US7916124B1 | Interactive apparatus using print media | Physics | 12 | Expired |
| US6985139B2 | Interactive apparatus using print media | Physics | 9 | Expired |
| US7553160B2 | Interactive hand held apparatus with stylus | Emerging Cross-Sectional Technologies | 9 | Active |
| US7428990B1 | Capacitive sensing of media information in an interactive media device | Physics | 8 | Expired |
| US7083420B2 | Interactive handheld apparatus with stylus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7139523B1 | Print media receiving unit including platform and print media | Physics | 8 | Expired |
| US7529519B2 | Interactive handheld educational apparatus with stylus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7120386B1 | Print media receiving unit including platform and print media | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.