Average Co-Inventor Count = 2.35
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 (8 from 58,129 patents)
2. Pentax Corporation (1 from 1,056 patents)
9 patents:
1. 8462964 - Recording apparatus, recording method, audio signal correction circuit, and program
2. 7208681 - Electronic device and information reproduction system
3. 7079186 - Diaphragm device of a television camera lens for a CCTV surveillance camera
4. 7057886 - Display unit
5. 7012193 - Electronic device and information reproduction system
6. 6989490 - Electronic device and information reproduction system
7. 6984786 - Electronic device and information reproduction system
8. 6972373 - Electronic device and information reproduction system
9. 6903273 - Electronic device and information reproducing system