Average Co-Inventor Count = 2.31
ph-index = 4
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 58,129 patents)
2. Sony Corporation of America (3 from 195 patents)
3. Other (1 from 832,680 patents)
4. Sony Electronics Inc (1 from 2,335 patents)
5 patents:
1. 6243328 - Modular media storage system and integrated player unit and method for accessing additional external information
2. 6118450 - Graphic user interface that is usable as a PC interface and an A/V
3. D410904 - Modular media storage unit
4. D409989 - Modular media storage unit
5. D409585 - Modular media storage unit