Average Co-Inventor Count = 2.31
ph-index = 3
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. (5 from 42,496 patents)
5 patents:
1. 7313624 - Method and system for providing an on-line service and computer readable storage medium
2. 6823389 - Method and system for providing an on-line service and computer readable storage medium
3. 6628778 - Automatic relay method and storage medium containing automatic relay processing program
4. 6516424 - System for providing reliable and effective disaster relief
5. 6347384 - System for providing reliable and effective disaster relief