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. Mitsubishi Chemical Industries Limited (1 from 614 patents)
2. Mitsubishi Kasei Corporation (1 from 499 patents)
2 patents:
1. 4968434 - Method for extracting metal ions
2. 4871464 - Method for extracting metal ions