Average Co-Inventor Count = 2.00
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. Teac Corporation (4 from 1,030 patents)
4 patents:
1. D570830 - Adapter for digital audio player
2. D555169 - Digital audio player
3. D506471 - Data memory storage drive
4. D474170 - Digital audio disc player with radio tuner