Average Co-Inventor Count = 7.00
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. Mitsui Kinzoku Kogyo Kabushiki Kaisha (2 from 151 patents)
2. Rikagaku Kenkyusho (2 from 126 patents)
2 patents:
1. 5418512 - Superconducting magnetic shield
2. 5187327 - Superconducting magnetic shield