Average Co-Inventor Count = 1.78
ph-index = 3
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 Computer Entertainment Inc. (3 from 1,799 patents)
2. Sony Corporation (1 from 58,130 patents)
4 patents:
1. 6676435 - Pullout prevention structure and cabinet stand
2. 6674651 - Electronic equipment and board insertion/removal apparatus therefor
3. 6493236 - Electronic equipment
4. 5561572 - Tape guide with lubricant flow preventing means in a signal recording