Average Co-Inventor Count = 6.43
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. (2 from 710 patents)
2 patents:
1. 9550219 - Apparatus of inhalation type for stocking wafer at ceiling and inhaling type wafer stocking system having the same
2. 9412631 - Ceiling storage device capable of wafer purging