Average Co-Inventor Count = 5.00
ph-index = 1
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 42,485 patents)
4 patents:
1. 7760075 - Traceability system
2. 7482932 - Traceability system
3. 7397374 - Traceability system
4. 7183923 - Traceability system