Average Co-Inventor Count = 3.00
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. Hirata Corporation (2 from 168 patents)
2 patents:
1. 8180483 - Overhead transfer/storage system and overhead transfer/storage method
2. 8006824 - Storage system and storage method