Average Co-Inventor Count = 4.46
ph-index = 8
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. (9 from 42,496 patents)
9 patents:
1. 7054649 - Mobile terminal and control method therefor
2. 5867281 - Electronic mail system and method
3. 5617518 - Output control method and system of servers
4. 5493420 - Dot density conversion method and system
5. 5485544 - History sensitive help control method and system
6. 5483632 - Method and system of help-information control
7. 5434963 - Method and system of help-information control method and system
8. 5432899 - Method for managing resources and information processing system
9. 5353399 - Method and system for selecting devices in information networks,