Average Co-Inventor Count = 5.00
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. Other (1 from 832,891 patents)
2. Pioneer Corporation (1 from 2,648 patents)
3. Pioneer Design Corporation (1 from 9 patents)
2 patents:
1. 6876871 - Portable information terminal
2. 6807276 - Portable telephone