Average Co-Inventor Count = 2.40
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. Daifuku Co., Ltd. (3 from 708 patents)
3 patents:
1. 7296521 - Conveyance apparatus using movable body
2. 7089868 - Conveyance apparatus using movable body
3. 6655297 - Transfer system using movable bodies