Average Co-Inventor Count = 3.49
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 Interactive Entertainment Inc. (5 from 3,067 patents)
5 patents:
1. 11698685 - Character string input system
2. 10613641 - Character string input system
3. 10162426 - Character string input system
4. 10130890 - Game device
5. 10130880 - Information processing system and information processing device