Average Co-Inventor Count = 4.00
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. Mitsubishi Heavy Industries Machinery Systems, Ltd. (3 from 121 patents)
3 patents:
1. 11080945 - On-board device, automatic toll collection machine, toll collection system, and toll collection method
2. 10132637 - Vehicular information provision system, vehicular information provision method, and program
3. 10089864 - Operating management system, operating management method, and program