Average Co-Inventor Count = 2.40
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 (3 from 58,129 patents)
3 patents:
1. 6144798 - Method of and apparatus for editing information recorded on magnetic tape
2. 6141484 - Method of and apparatus for editing video signals using a temporary
3. 5877906 - Device for switching between multiple recording media based on a