Average Co-Inventor Count = 4.00
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. Audio-technica Corporation (2 from 216 patents)
2. Nhk Technologies, Inc. (2 from 3 patents)
2 patents:
1. D1033406 - Microphone
2. D981375 - Microphone