Average Co-Inventor Count = 3.77
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. Merck Patent Gesellschaft MIT Beschrankter Haftung (5 from 1,248 patents)
2. Merck Patent Gesellschaft MIT Beschraenkter Haftung (5 from 100 patents)
3. Merck Patent Gesellschaft MIT Beschränkter Haftung (1 from 37 patents)
11 patents:
1. 6787548 - Thienopyrimidines as phosphodiesterase inhibitors
2. 6495557 - Condensed thienopyrimidines with phosphodiesterase-v inhibiting action
3. 6495554 - Thienopyrimidines
4. 6479494 - Arylalkanoyl pyridazines
5. 6420368 - Thienopyrimidines
6. 6417188 - Arylalkanoylpyridazines
7. 6376493 - Benzoylpyridazines
8. 6143777 - Aminothiophene carboxylic acid amides and the use thereof as
9. 6130223 - Thienopyrimidine with phosphodiesterase V inhibiting effect
10. 6110920 - Thienopyrimidines
11. 6107295 - Arylalkanoyl pyridazines