Average Co-Inventor Count = 3.00
ph-index = 2
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. Senju Pharmaceutical Co., Ltd. (2 from 228 patents)
2 patents:
1. 5501856 - Controlled-release pharmaceutical preparation for intra-ocular implant
2. 5183662 - Controlled drug release composition