Philip A. Johnson
16Patents
9h-index
6Co-inventors
65Inventor score
Filing activity: Mar 1, 1978 → Dec 4, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5398131A | Stereoscopic hardcopy methods | Physics | 299 | Expired |
| US5835166A | Chiral nematic liquid crystal polarization modulated color display for stereoscopic viewing device | Electricity | 199 | Expired |
| US4582396A | Field sequential color display system using optical retardation | Physics | 192 | Expired |
| US4679118A | Electronic chip-carrier heat sinks | Electricity | 129 | Expired |
| US4235285A | Self-fastened heat sinks | Electricity | 117 | Expired |
| US4203488A | Self-fastened heat sinks | Electricity | 68 | Expired |
| US4552206A | Heat sinks for integrated circuit modules | Electricity | 51 | Expired |
| US4321423A | Heat sink fastenings | Electricity | 39 | Expired |
| US5387920A | Switchable color filter and field sequential full color display system incorporating same | Physics | 27 | Expired |
| USD285301S | Pinned heat-sink extrusion for circuit-board mounting | General | 8 | Expired |
| USD262960S | Flanged-collar heat sink for electronic devices | General | 6 | Expired |
| USD272902S | Self-fastened heat sink | General | 4 | Expired |
| USD262203S | Self-fastened heat sink for electronic devices | General | 4 | Expired |
| US5714970A | Switchable color filter using electrically controllable optical retarders | Physics | 4 | Expired |
| USPP9124P | Rosemary plant named `Renzels` | General | 3 | Expired |
| US6187442A | Thermosetting resin compositions, electrical laminates obtained therefrom and process of producing these | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.