Average Co-Inventor Count = 3.58
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Volkswagen of America, Inc. (3 from 10 patents)
2. Audi Ag (1 from 3,394 patents)
3. Toyota Infotechnology Center Co. Ltd. (1 from 19 patents)
4. Volkswagen Ag (3,226 patents)
4 patents:
1. 8751145 - Method for voice recognition
2. 8214219 - Speech communications system for a vehicle and method of operating a speech communications system for a vehicle
3. 7873517 - Motor vehicle with a speech interface
4. 7328155 - Method and system for speech recognition using grammar weighted based upon location information