Average Co-Inventor Count = 3.75
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. Babcock-hitachi Kabushiki Kaisha (2 from 222 patents)
2 patents:
1. 8251298 - Installation construction method for boiler facilities
2. 5617916 - Fin tube heat exchanger