Average Co-Inventor Count = 2.82
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 42,494 patents)
4 patents:
1. 12367535 - Community evaluation system, community evaluation method, behavior evaluation system, and behavior evaluation method
2. 11935012 - Construct information management system and method
3. 11928618 - Transport allocation planning system, information processing apparatus, and method for controlling transport allocation planning system
4. 11624675 - Water leakage detection method, water leakage detection apparatus, and vibration sensor terminal