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. Akita University (3 from 31 patents)
2. Dowa Holdings Co., Ltd. (1 from 31 patents)
3 patents:
1. 8557020 - Compound, metal extractant, and application of the same
2. 8500846 - Rare metal extractant
3. 8038969 - Rare metal/platinum-group metal extractant and method for extracting rare metals and platinum-group metals