Average Co-Inventor Count = 5.00
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. Pioneer Corporation (3 from 2,646 patents)
2. Tohoku Pioneer Corporation (2 from 291 patents)
3 patents:
1. 12063464 - Speaker bracket, speaker frame, and speaker
2. 11381893 - Speaker bracket, speaker frame, and speaker
3. D911155 - Bracket for automobile speaker