Average Co-Inventor Count = 5.60
ph-index = 3
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 (3 from 151 patents)
2. Rikagaku Kenkyusho (2 from 126 patents)
3. National Research Institute for Metals (1 from 104 patents)
4. Science and Technology Agency (1 from 7 patents)
3 patents:
1. 5418512 - Superconducting magnetic shield
2. 5187327 - Superconducting magnetic shield
3. 5096878 - Method for production of bi-containing superconducting ceramics laminates