Average Co-Inventor Count = 5.00
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. Ishikawajima-harima Jukogyo Kabushiki Kaisha (2 from 306 patents)
2. Nippon Mining Co., Ltd. (2 from 141 patents)
3. International Superconductivity Technology Center (2 from 128 patents)
4. Kabushiki-gaisha Arubakku Kohporehtosentah (1 from 1 patent)
5. Kabushiki-gaisha Arubakku Kohporehiosentah (1 from 1 patent)
2 patents:
1. 5306696 - Method of producing YBa.sub.2 Cu.sub.4 O.sub.x -type superconducting
2. 5236890 - Method of producing superconductor of metal oxides