Average Co-Inventor Count = 2.14
ph-index = 2
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. (5 from 708 patents)
5 patents:
1. 10625938 - Article transport facility
2. 10604899 - Rail inspection device and rail inspection system
3. 10600666 - Article transport facility
4. 9670004 - Article transport facility
5. 8909369 - Transport facility