Average Co-Inventor Count = 6.58
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. Yuhan Corporation (5 from 93 patents)
5 patents:
1. 5750531 - Pyrimidine derivatives and processes for the preparation thereof
2. 5686458 - Quinazoline deriviates for treating peptic ulcer
3. 5593984 - Cephalosporin derivatives
4. 5158950 - 1,3-dithiol-2-ylidene derivatives and process for the preparation thereof
5. 5103013 - Dithioketene derivatives, pharmaceutical compositions containing the