RCA Corporation
5,382Patents
0Active
5,382Granted
47Portfolio score
Filing activity: Jul 22, 1944 → Oct 10, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4322592A | Susceptor for heating semiconductor substrates | Chemistry; Metallurgy | 535 | Expired |
| US4641649A | Method and apparatus for high frequency catheter ablation | Human Necessities | 518 | Expired |
| US4575636A | Deep ultraviolet (DUV) flood exposure system | Physics | 457 | Expired |
| US4641205A | Television system scheduler with on-screen menu type programming prompting apparatus | Electricity | 410 | Expired |
| US4643186A | Percutaneous transluminal microwave catheter angioplasty | Human Necessities | 408 | Expired |
| US4718107A | Parental control for CATV converters | Electricity | 401 | Expired |
| US4314763A | Defect detection system | Physics | 384 | Expired |
| US4218698A | TV Graphics and mixing control | Electricity | 370 | Expired |
| US4311154A | Nonsymmetrical bulb applicator for hyperthermic treatment of the body | Human Necessities | 364 | Expired |
| US3962004A | Pattern definition in an organic layer | Emerging Cross-Sectional Technologies | 337 | Expired |
| US4495654A | Remote controlled receiver with provisions for automatically programming a channel skip list | Electricity | 335 | Expired |
| US4355415A | Tuning mode arrangement useful for restricting channel selection to certain channels | Electricity | 315 | Expired |
| US4099041A | Susceptor for heating semiconductor substrates | Electricity | 314 | Expired |
| US4647974A | Station signature system | Electricity | 276 | Expired |
| US4566034A | Remote control transmitter arrangement for one or more television devices | Electricity | 274 | Expired |
| US4162513A | Television system scheduler | Physics | 261 | Expired |
| US4386436A | Television remote control system for selectively controlling external apparatus through the AC power line | Electricity | 258 | Expired |
| US4451849A | Plural operating mode ambient light responsive television picture control | Electricity | 235 | Expired |
| US4030048A | Multimode coupling system including a funnel-shaped multimode coupler | Electricity | 232 | Expired |
| US3936838A | Multimode coupling system including a funnel-shaped multimode coupler | Physics | 231 | Expired |
| US4504519A | Diamond-like film and process for producing same | Emerging Cross-Sectional Technologies | 223 | Expired |
| US4204549A | Coaxial applicator for microwave hyperthermia | Physics | 218 | Expired |
| US4405946A | Television signal converting apparatus providing an on-screen tuning display | Electricity | 217 | Expired |
| US4686617A | Current limited constant frequency dc converter | Electricity | 209 | Expired |
| US4595952A | Teletext decoder having a register array for operating on pixel words | Physics | 199 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.