Average Co-Inventor Count = 4.71
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 58,131 patents)
2. Sony Electronics Inc (2 from 2,335 patents)
4 patents:
1. 7406253 - Picked up image recording system, signal recording device, and signal recording method
2. 7298963 - Time code generator and time code generating method, time code reader and time code reading method, and video recording and reproducing apparatus
3. 5990964 - Method and apparatus for processing time code
4. 5857044 - Method and apparatus for processing time code