Average Co-Inventor Count = 1.07
ph-index = 4
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. Nakamichi Corporation (8 from 142 patents)
8 patents:
1. D435534 - Digital audio disc player with radio receiver
2. D429716 - Auto audio amplifier
3. D426539 - Audio speaker
4. D425507 - CD player with radio tuner
5. D403324 - Audio speaker
6. D403325 - Audio speaker
7. D401933 - Combined compact disc player and radio receiver
8. D320989 - Digital audio disk player