Average Co-Inventor Count = 2.00
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. Daifuku Co., Ltd. (1 from 708 patents)
2. Daifuku (china) Co., Ltd. (1 from 1 patent)
1 patent:
1. 8408381 - Trolley-type conveyance device