Average Co-Inventor Count = 1.89
ph-index = 2
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. Tom Tom International B.v. (3 from 253 patents)
3 patents:
1. 9086294 - Navigation device with adaptive navigation instructions
2. 8886455 - Navigation apparatus, audible instruction generation system and method of generating audible instructions
3. 8396665 - Portable navigation device