Average Co-Inventor Count = 1.31
ph-index = 12
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 Denki Kabushiki Kaisha (32 from 21,351 patents)
32 patents:
1. 5780789 - Group managing system for elevator cars
2. 5529147 - Apparatus for controlling elevator cars based on car delay
3. 5412163 - Elevator control apparatus
4. 5331121 - Elevator control apparatus
5. 5285028 - Group control method and apparatus for elevators for assignment of
6. 5250766 - Elevator control apparatus using neural network to predict car direction
7. 5083640 - Method and apparatus for effecting group management of elevators
8. 5058711 - Group-supervising an elevator system
9. 5056629 - Display apparatus for elevator
10. 5020642 - Group-supervisory apparatus for elevator system
11. 4982817 - Group supervision apparatus for elevator system
12. 4972926 - Hall information system for elevator
13. 4901822 - Group supervisory apparatus for elevator
14. 4839631 - Monitor control apparatus
15. 4802557 - Wait time prediction apparatus for elevator