Average Co-Inventor Count = 1.20
ph-index = 1
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. Alpine Electronics, Inc. (4 from 937 patents)
4 patents:
1. 9816829 - In-vehicle navigation apparatus
2. 9712471 - Mail sending/receiving apparatus, method, and recording medium recording program
3. 8086404 - On-vehicle navigation system
4. 6983052 - Vehicle power amplifier and voltage supply thereof