Average Co-Inventor Count = 2.00
ph-index = 3
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. Kabushiki Kaisha Toshiba (2 from 52,751 patents)
2. Toshiba Elevator Kabushiki Kaisha (1 from 74 patents)
3 patents:
1. 6708801 - Group controlled elevator control system for controlling a plurality of elevators
2. 5865274 - Elevator group management control apparatus and elevator group
3. 5334807 - Apparatus for elevator group control having low service floor detection