Average Co-Inventor Count = 3.21
ph-index = 4
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 (6 from 58,130 patents)
6 patents:
1. 7903174 - Broadcasting data receiving apparatus
2. 7801730 - Voice recognition control system and voice recognition control method
3. 5903228 - Map information display apparatus and traveling route display apparatus
4. 5708438 - Angular velocity calculating apparatus for navigation apparatus
5. 5469152 - Remote control device that transmits signals indicating termination of
6. 5446879 - Disc changing apparatus with error logging