Average Co-Inventor Count = 3.21
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 Yaskawa Denki (6 from 1,100 patents)
6 patents:
1. 12090670 - Transfer robot and robot system
2. 11167419 - Transfer robot and robot system
3. 8894113 - Robot hand and robot
4. 8690213 - Robot hand and robot
5. 8616599 - Hand and robot
6. 7980611 - Substrate holding apparatus, substrate transferring robot equipped with the same, and semiconductor production apparatus