Average Co-Inventor Count = 3.75
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 Corporation (7 from 58,129 patents)
7 patents:
1. 8505052 - Broadcasting system and reception apparatus
2. 8151302 - Broadcasting system and receiving apparatus
3. 7908619 - Broadcasting system and reception apparatus
4. 6920278 - Recording/reproduction apparatus and recording/reproduction method
5. 6757130 - Recording medium exchanging-type recording and reproducing apparatus
6. 5477399 - Programmable tension control of a variable speed recorder
7. 5045954 - Magnetic recording and playback apparatus for serial data having a