Average Co-Inventor Count = 3.79
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 (6 from 58,129 patents)
6 patents:
1. 8520478 - Readout device, readout method, program, and program recording medium
2. 8140736 - Data management apparatus, data management method, and program
3. 7158341 - Tape library
4. 7145748 - Tape library
5. 7119983 - Tape library
6. 6930854 - Tape library