Average Co-Inventor Count = 4.00
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. Sony Interactive Entertainment Inc. (1 from 3,057 patents)
3. Sony Computer Entertainment Inc. (1 from 1,799 patents)
2 patents:
1. 9411425 - Input device, input method, and computer program for inputting characters, numbers, or symbols by using an on-screen keyboard
2. 9348424 - Input device, input method, and computer program for inputting characters, numbers, or symbols by using an on-screen keyboard