Average Co-Inventor Count = 4.44
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. Kabushiki Kaisha Toshiba (1 from 52,735 patents)
2. Toshiba Elevator Kabushiki Kaisha (1 from 74 patents)
2 patents:
1. 10196241 - Elevator system
2. 8010573 - Log recording apparatus