Average Co-Inventor Count = 4.00
ph-index = 2
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 patents:
1. 6176351 - Double deck elevator allocation controlling apparatus
2. 5865274 - Elevator group management control apparatus and elevator group