Average Co-Inventor Count = 5.34
ph-index = 10
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. Merck Patent Gesellschaft MIT Beschrankter Haftung (20 from 1,248 patents)
2. Merck Patent Gesellschaft (1 from 121 patents)
3. E. Merck, Patentabteilung (1 from 1 patent)
22 patents:
1. 6153627 - Chroman derivatives
2. 6040308 - Chroman derivatives
3. 5387587 - Chroman derivatives
4. 5238937 - Pyridaziny or oxodihydropyridazinyl chroman derivatives
5. 5232944 - Chroman derivatives
6. 5143924 - Oxodihydropyridyl chroman derivatives
7. 5132307 - Tetralin compounds
8. 5112839 - Chroman derivatives
9. 5112972 - Synthesis of chroman derivatives
10. 5036068 - 4-(pyridyl)- and 4-(oxo-pyridyl)-1,3-benzoxazines
11. 5013853 - Chroman derivatives
12. 4931454 - Azachroman derivatives with effects on the cardiovascular system
13. 4914114 - 3-[4-(4-phenyl-1,2,3,6-tetrahydro-1-pyridyl)butyl]-5-hydroxy-indole
14. 4766213 - 1,4-dihydropyridines
15. 4711893 - Use of hydroxyindole derivatives in lowering blood pressure