Average Co-Inventor Count = 6.15
ph-index = 2
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. Ube Industries, Inc. (2 from 1,432 patents)
2. Sankyo Company, Limited (2 from 613 patents)
2 patents:
1. 4749704 - Cyclopenta[d]pyrimidine derivatives and use as antidepressants
2. 4450162 - Pyrimidine derivatives and a pharmaceutical composition containing them