Average Co-Inventor Count = 2.00
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. Sony Corporation (2 from 58,130 patents)
2. Nippon Telegraph and Telephone Corporation (1 from 5,290 patents)
2 patents:
1. 8191090 - Communication apparatus, communication system, and method of same
2. 4656468 - Pattern data processing apparatus