Average Co-Inventor Count = 7.76
ph-index = 4
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. (4 from 42,496 patents)
4 patents:
1. 6823258 - Method and apparatus for gathering vehicle information
2. 6711495 - Method and apparatus for gathering vehicle information
3. 5757287 - Object recognition system and abnormality detection system using image
4. 5554983 - Object recognition system and abnormality detection system using image