Raytheon Company
8,187Patents
4,930Active
8,187Granted
59Portfolio score
Filing activity: Jan 30, 1952 → Jun 3, 2024 · 1,213 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5991209A | Split sense amplifier and staging buffer for wide memory architecture | Physics | 417 | Expired |
| US6990087B2 | Dynamic wireless resource utilization | Electricity | 393 | Expired |
| US4457365A | In situ radio frequency selective heating system | Fixed Constructions | 390 | Expired |
| US4901362A | Method of recognizing patterns | Physics | 371 | Expired |
| US8072380B2 | Wireless power transmission system and method | Electricity | 331 | Active |
| US5808350A | Integrated IR, visible and NIR sensor and methods of fabricating same | Electricity | 321 | Expired |
| US6664920B1 | Near-range microwave detection for frequency-modulation continuous-wave and stepped frequency radar systems | Physics | 314 | Expired |
| US6211837A | Dual-window high-power conical horn antenna | Electricity | 314 | Expired |
| US4481300A | Aluminum oxynitride having improved optical characteristics and method of manufacture | Emerging Cross-Sectional Technologies | 288 | Expired |
| US4520116A | Transparent aluminum oxynitride and method of manufacture | Emerging Cross-Sectional Technologies | 288 | Expired |
| US4720362A | Transparent aluminum oxynitride and method of manufacture | Emerging Cross-Sectional Technologies | 287 | Expired |
| US5745266A | Quarter-wave film for brightness enhancement of holographic thin taillamp | Emerging Cross-Sectional Technologies | 265 | Expired |
| US5874046A | Biological warfare agent sensor system employing ruthenium-terminated oligonucleotides complementary to target live agent DNA sequences | Chemistry; Metallurgy | 259 | Expired |
| US6421021B1 | Active array lens antenna using CTS space feed for reduced antenna depth | Electricity | 258 | Expired |
| US6611227B1 | Automotive side object detection sensor blockage detection system and related techniques | Physics | 255 | Expired |
| US4227765A | Coaxial electrical connector | Electricity | 254 | Expired |
| US6850128B2 | Electromagnetic coupling | Electricity | 244 | Expired |
| US5172344A | Deep submergence transducer | Physics | 242 | Expired |
| US6670910B2 | Near object detection system | Physics | 241 | Expired |
| US4487257A | Apparatus and method for production of organic products from kerogen | Fixed Constructions | 240 | Expired |
| US5842034A | Two dimensional crossbar mesh for multi-processor interconnect | Physics | 233 | Expired |
| US6677899B1 | Low cost 2-D electronically scanned array with compact CTS feed and MEMS phase shifters | Electricity | 233 | Expired |
| US6822615B2 | Wideband 2-D electronically scanned array with compact CTS feed and MEMS phase shifters | Electricity | 231 | Expired |
| US8537068B2 | Method and apparatus for tri-band feed with pseudo-monopulse tracking | Electricity | 228 | Active |
| US5451969A | Dual polarized dual band antenna | Electricity | 228 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.