Average Co-Inventor Count = 3.60
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. Senju Pharmaceutical Co., Ltd. (3 from 228 patents)
2. Yoshitomi Pharmaceutical Industries, Ltd. (3 from 198 patents)
3 patents:
1. 5889030 - Method for stabilizing pranoprofen and stable liquid preparation of
2. 5856345 - Method for stabilizing pranoprofen and stable liquid preparation of
3. 4607038 - Ophthalmic pranoprofen compositions