Average Co-Inventor Count = 8.00
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. Millennium Pharmaceuticals Limited (2 from 850 patents)
2. Kyowa Hakko Kogyo Co., Ltd. (2 from 730 patents)
3. Kyowa Hakko Kirin Co., Limited (272 patents)
4 patents:
1. 6750218 - Nitrogen-containing heterocyclic compounds
2. 6472391 - Nitrogen-containing heterocyclic compounds
3. 6207667 - 1,3 diazines with platelet-derived growth factor receptor inhibitory activity
4. 6169088 - 1,3 diazines with platelet-derived growth factor receptor inhibitory activity