Roger C. Alig
18Patents
5h-index
15Co-inventors
63Inventor score
Filing activity: Nov 10, 1975 → Jul 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4178531A | CRT with field-emission cathode | Electricity | 77 | Expired |
| US3978436A | Surface acoustic wave device and method of making same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4737682A | Color picture tube having an inline electron gun with an einzel lens | Electricity | 10 | Expired |
| US6218672A | Ion source | Electricity | 9 | Expired |
| US4429252A | Color picture tube having an expanded focus lens type inline electron gun with improved static convergence | Electricity | 7 | Expired |
| US4697120A | Color display system with electrostatic convergence means | Electricity | 5 | Expired |
| US4335366A | Color television display system having improved convergence | Electricity | 5 | Expired |
| US6559586B1 | Color picture tube including an electron gun in a coated tube neck | Electricity | 4 | Expired |
| US5442263A | Dynamic electrostatic and magnetic focusing apparatus for a cathode ray tube | Electricity | 3 | Expired |
| US4634923A | Color picture tube having improved electron gun | Electricity | 2 | Expired |
| US5081392A | Color picture tube having an internal magnetic shield | Electricity | 2 | Expired |
| US4590403A | Color picture tube having an improved inline electron gun | Electricity | 2 | Expired |
| US4590402A | Color picture tube having an improved expanded focus lens type inline electron gun | Electricity | 1 | Expired |
| US6690123B1 | Electron gun with resistor and capacitor | Electricity | 1 | Expired |
| US6369512B1 | Dual beam projection tube and electron lens therefor | Electricity | 1 | Expired |
| US4745331A | Color picture tube having an inline electron gun with an einzel lens | Electricity | 1 | Expired |
| US4730144A | Color picture tube having inline electron gun with coma correction members | Electricity | 1 | Expired |
| US4604548A | Electron gun with afterglow eliminator | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.