Average Co-Inventor Count = 3.71
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)
2. Kanto Jidosha Kogyo Kabushiki Kaisha (1 from 11 patents)
3 patents:
1. 8011491 - Conveyance apparatus for an assembly line
2. 5465827 - Transport arrangement for movable members
3. 5067413 - Apparatus for conveying travelable body