Average Co-Inventor Count = 3.37
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. Shionogi Company Limited (13 from 1,001 patents)
13 patents:
1. 6919375 - Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
2. 6897237 - MMP-12 inhibitors
3. 6881727 - Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
4. 6838483 - Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
5. 6441021 - Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
6. 6235768 - Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
7. 6207698 - Sulfonated amino acid derivatives and metalloproteinase inhibitors containing the same
8. 6150394 - Sulfonated amino acid derivatives and metalloproteinase inhibitors
9. 5665586 - Protease from Streptomyces fradiae
10. 5459064 - Protease
11. 4511505 - Semi-synthesis of human insulin
12. 4400465 - Semi-synthesis of human insulin
13. 4320196 - Semi-synthesis of human insulin