Average Co-Inventor Count = 2.86
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. Kefalas A/s (6 from 21 patents)
6 patents:
1. 4309429 - Xanthene and thioxanthene derivatives, compositions thereof, and
2. 4285956 - Xanthene and thioxanthene derivatives, compositions thereof and
3. 4275209 - Xanthene and thioxanthene derivatives
4. 4035503 - Xanthene and thioxanthene derivatives, compositions thereof and a method
5. 4022896 - Xanthene and thioxanthene compositions and method of treating
6. 3951961 - Xanthene and thioxanthene derivatives, compositions thereof and a method