Average Co-Inventor Count = 2.46
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. Audio-technica Corporation (3 from 216 patents)
5 patents:
1. D1066304 - Microphone
2. D991896 - Transmitter
3. D991062 - Data logger
4. D978116 - Microphone
5. D961409 - Time clock