Average Co-Inventor Count = 6.55
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. (5 from 42,496 patents)
5 patents:
1. 12497265 - Device and method for estimating elevator waiting time
2. 12269711 - In-building traffic prediction system and elevator boarding place layout generation method and non-transitory computer-readable recording medium for storing program for in-building traffic prediction system
3. 12182736 - Method for estimating intra-building traffic, and system for estimating intra-building traffic
4. 11623842 - Building human flow estimation system and estimation method
5. 11560288 - Elevator operation management system and elevator operation management method