Michael J. Freeman
77Patents
35h-index
46Co-inventors
88Inventor score
Filing activity: Mar 20, 1974 → Sep 22, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4602279A | Method for providing targeted profile interactive CATV displays | Electricity | 796 | Expired |
| US5861881A | Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers | Electricity | 639 | Expired |
| US5682196A | Three-dimensional (3D) video presentation system providing interactive 3D presentation with personalized audio responses for multiple viewers | Electricity | 573 | Expired |
| US5585858A | Simulcast of interactive signals with a conventional video signal | Electricity | 558 | Expired |
| US4573072A | Method for expanding interactive CATV displayable choices for a given channel capacity | Electricity | 550 | Expired |
| US5537141A | Distance learning system providing individual television participation, audio responses and memory for every student | Electricity | 525 | Expired |
| US4264924A | Dedicated channel interactive cable television system | Electricity | 517 | Expired |
| US5724091A | Compressed digital data interactive program system | Electricity | 461 | Expired |
| US4264925A | Interactive cable television system | Electricity | 444 | Expired |
| US4847700A | Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals | Physics | 413 | Expired |
| US4847698A | Interactive television system for providing full motion synched compatible audio/visual displays | Physics | 406 | Expired |
| US5632007A | Interactive system and method for offering expert based interactive programs | Physics | 286 | Expired |
| US4847699A | Method for providing an interactive full motion synched compatible audio/visual television display | Physics | 260 | Expired |
| US4320256A | Verbally interactive telephone interrogation system with selectible variable decision tree | Emerging Cross-Sectional Technologies | 259 | Expired |
| US7079176B1 | Digital interactive system for providing full interactivity with live programming events | Electricity | 255 | Expired |
| USRE34340E | Closed circuit television system having seamless interactive television programming and expandable user participation | General | 243 | Expired |
| US4918516A | Closed circuit television system having seamless interactive television programming and expandable user participation | Electricity | 192 | Expired |
| US4591664A | Multichannel interactive telephone answering apparatus | Emerging Cross-Sectional Technologies | 189 | Expired |
| US4420656A | Interactive telephone answering system | Electricity | 186 | Expired |
| US4507680A | One way interactive multisubscriber communication system | Electricity | 185 | Expired |
| US3947972A | Real time conversational student response teaching apparatus | Physics | 176 | Expired |
| US4078316A | Real time conversational toy | Human Necessities | 160 | Expired |
| US6181334A | Compressed digital-data interactive program system | Electricity | 156 | Expired |
| US7448063B2 | Digital interactive system for providing full interactivity with live programming events | Electricity | 154 | Expired |
| US4591248A | Dynamic audience responsive movie system | Physics | 138 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.