Average Co-Inventor Count = 5.22
ph-index = 4
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 Gmbh (1 from 2,938 patents)
2. Merck Patent Gesellschaft MIT Beschrankter Haftung (1 from 1,248 patents)
3. Merck Patent Gesellschaft (1 from 121 patents)
4. Merck Patent Gesellschaft MIT Beschränkter Haftung (1 from 37 patents)
4 patents:
1. 6884800 - Imidazole compounds used as phosphodiesterase VII inhibitors
2. 6737436 - Pyrrole derivatives as phosphodiesterase VII inhibitors
3. 6613778 - Imidazopyridine derivatives as phosphodiesterase VII inhibitors
4. 6531498 - Isoxazole derivatives to be used as phosphodiesterase VII inhibitors