Average Co-Inventor Count = 4.22
ph-index = 5
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. Leiras Oy (6 from 40 patents)
2. Santen Oy (1 from 4 patents)
3. Santen Pharmaceutical Co., Ltd. (282 patents)
7 patents:
1. 6326363 - Methylenebisphosphonic acid derivatives
2. 5795913 - Ophthalmic composition
3. 5776499 - Process for preparing a clodronate preparation
4. 5442101 - Methylenebisphosphonic acid derivatives
5. 5438048 - Methylenebisphosphonic acid derivatives
6. 5393748 - Methylenebisphosphonic acid derivatives
7. 5376649 - Partial esters of (Di) chloromethanediphosphonic acid useful for