Average Co-Inventor Count = 4.50
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. Hisamitsu Pharmaceutical Company, Inc. (3 from 375 patents)
3 patents:
1. 7087223 - Preventives and/or remedies for hyperphosphatemia
2. 6844372 - Crosslinked anion-exchange resin or salt thereof and phosphorus adsorbent comprising the same
3. 6277366 - Release-sustaining agent for drugs and sustained-release pharmaceutical composition