Average Co-Inventor Count = 2.18
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. (4 from 708 patents)
4 patents:
1. 5839872 - Apparatus for transferring cargoes
2. 5564528 - Inward/outward delivery device of automated warehouse
3. 5355976 - Handling apparatus for automatic warehousing arrangement
4. 5340262 - Automatic warehousing system and operating file therefor