Average Co-Inventor Count = 2.50
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. Sony Corporation (3 from 58,129 patents)
3 patents:
1. 7571617 - Fan control apparatus and fan control method
2. 7340367 - Fan control apparatus and fan control method
3. 7006754 - Picture image outputting apparatus