Average Co-Inventor Count = 4.00
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. Hitachi, Ltd. (3 from 42,494 patents)
3 patents:
1. 7113952 - Document processing method and system, and computer-readable recording medium having document processing program recorded therein
2. 6651069 - Document processing method and system, and computer-readable recording medium having document processing program recorded therein
3. 6349302 - Document processing method and system, and computer-readable recording medium having document processing program recorded therein