Average Co-Inventor Count = 4.36
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. Other (1 from 832,891 patents)
2. Sony Corporation (1 from 58,131 patents)
2 patents:
1. 6577308 - Data processing method and apparatus and information furnishing medium
2. 4881067 - Image forming apparatus and method