Average Co-Inventor Count = 2.57
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. (3 from 708 patents)
3 patents:
1. 12280952 - Transfer system
2. 11787630 - Transfer system
3. 8961095 - Article storage system and maintenance method in article storage system