Average Co-Inventor Count = 6.08
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 (3 from 58,129 patents)
3 patents:
1. 7240081 - Free storage space management apparatus and method
2. 6349349 - System for linking a main control unit to data receiving and transmitting units and a first and second storage units by a network
3. 6253232 - Data processing control device and method of same