Average Co-Inventor Count = 6.00
ph-index = 3
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. Yamanouchi Pharmaceutical Company Ltd. (3 from 329 patents)
2. Merck Patent Gesellschaft MIT Beschrankter Haftung (1 from 1,248 patents)
3 patents:
1. 6057324 - Substituted amidinobenzene derivatives and medicinal compositions thereof
2. 5869501 - Amidinonaphthyl derivative or salt thereof
3. 5773442 - Benzamidine derivatives and pharmaceutical composition containing them