Average Co-Inventor Count = 2.00
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. Oiles Corporation (1 from 268 patents)
1 patent:
1. 6354047 - Columnar structure with earthquake resistance imparted thereto and method of reinforcing the earthquake resistance of a columnar structure