Average Co-Inventor Count = 1.12
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. Pioneer Electronic Corporation (7 from 2,861 patents)
7 patents:
1. D290698 - Loudspeaker
2. D289281 - Car speaker
3. D284369 - Automobile combined stereo receiver and cassette tape player
4. D284281 - Loudspeaker
5. D284002 - Loudspeaker
6. D281157 - Loudspeaker
7. D278530 - Loudspeaker