Average Co-Inventor Count = 4.00
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. (3 from 42,488 patents)
3 patents:
1. 6882933 - Method and system for providing information for a mobile terminal and a mobile terminal
2. 6434479 - Method and system for providing information for a mobile terminal and a mobile terminal
3. 6073075 - Method and system for providing information for a mobile terminal