Average Co-Inventor Count = 4.10
ph-index = 5
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. (8 from 42,508 patents)
8 patents:
1. 7996437 - Program for mapping of data schema
2. 7475357 - Program, method and apparatus for operating objects displayed on a display
3. 7467085 - Method and apparatus for language translation using registered databases
4. 7130801 - Method for speech interpretation service and speech interpretation server
5. 7117223 - Method of interpretation service for voice on the phone
6. 7047195 - Speech translation device and computer readable medium
7. 6917920 - Speech translation device and computer readable medium
8. 6789093 - Method and apparatus for language translation using registered databases