Average Co-Inventor Count = 4.00
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. Toa Nenryo Kogyo Kabushiki Kaisha (1 from 220 patents)
1 patent:
1. 5002928 - Method for forming oxide superconducting films with an ultrasonic wave