Average Co-Inventor Count = 4.13
ph-index = 6
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 (7 from 52,711 patents)
2. Toshiba Elevator Kabushiki Kaisha (3 from 74 patents)
10 patents:
1. 9352937 - Escalator step and escalator having thereof
2. 9309093 - Escalator step and escalator having thereof
3. 6786305 - Double-deck elevator
4. 6543584 - Elevator with adjustable top edge railing members
5. 6491136 - Traction type elevator apparatus
6. 6488124 - Elevator
7. 6390243 - Traction type elevator apparatus
8. 6382360 - Traction type elevator apparatus
9. 6305503 - Load detector for elevator cage
10. 6247557 - Traction type elevator apparatus