Average Co-Inventor Count = 2.94
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 (4 from 58,132 patents)
2. Sony Mobile Communications Ab (3 from 458 patents)
3. Sony Ericsson Mobile Communications Ab (1 from 1,101 patents)
4. Sony Mobile Communications Inc. (1 from 729 patents)
5 patents:
1. 9535511 - Character input device
2. 9058098 - Display control device
3. 8780140 - Variable display scale control device and variable playing speed control device
4. 8654148 - Display control apparatus for deciding a retrieval range for displaying stored pieces of information
5. 7752573 - Display controller, display control method, mobile terminal device, and display control program