ALPINE ELECTRONICS, INC.
948Patents
542Active
948Granted
56Portfolio score
Filing activity: May 14, 1984 → Feb 26, 2021 · 236 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7684991B2 | Digital audio file search method and apparatus using text-to-speech processing | Physics | 380 | Active |
| US7890330B2 | Voice recording tool for creating database used in text to speech synthesis system | Physics | 305 | Active |
| US5902349A | Navigation apparatus | Physics | 251 | Expired |
| US6795059B2 | Operating device for controlling electronic devices utilizing a touch panel | Physics | 204 | Expired |
| US7889101B2 | Method and apparatus for generating location based reminder message for navigation system | Physics | 199 | Active |
| US6434482B1 | On-vehicle navigation system for searching facilities along a guide route | Physics | 180 | Expired |
| US5625350A | Audio/video communication system and method | Electricity | 176 | Expired |
| US6983203B1 | POI icon display method and navigation system | Physics | 171 | Expired |
| US6587787B1 | Vehicle navigation system apparatus and method providing enhanced information regarding geographic entities | Physics | 164 | Expired |
| US5893898A | Navigation system having intersection routing using a road segment based database | Physics | 161 | Expired |
| US6385535B1 | Navigation system | Physics | 153 | Expired |
| US6415224B1 | Display method and apparatus for navigation system | Emerging Cross-Sectional Technologies | 143 | Expired |
| US6650345B1 | Operating device for operating vehicle electronics device | Performing Operations; Transporting | 133 | Expired |
| US7751945B2 | Vehicle-to-vehicle communication apparatus, vehicle-to-vehicle communication system, and method of determining applicability of moving image information to an application program | Electricity | 129 | Active |
| US6484094B1 | Display method and apparatus for navigation system | Physics | 125 | Expired |
| US4706294A | Audio control device | Electricity | 123 | Expired |
| US6839628B1 | Display method and apparatus for arranging order of listing points of interest for navigation system | Physics | 113 | Expired |
| US4771283A | Remote control device | Electricity | 113 | Expired |
| US5593223A | Illumination device | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6201544A | Location floor number display device in navigation apparatus | Physics | 109 | Expired |
| US6351707B1 | Navigation system and method for calculating a guide route | Physics | 108 | Expired |
| US7286825B2 | Method for communication among mobile units and vehicular communication apparatus | Electricity | 101 | Expired |
| US7239960B2 | Navigation method and system for visiting multiple destinations by minimum number of stops | Physics | 100 | Expired |
| US6405129B1 | Method of displaying POI icons for navigation apparatus | Physics | 94 | Expired |
| US6148253A | On-vehicle control system | Physics | 93 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.