Average Co-Inventor Count = 3.43
ph-index = 1
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. Sumika Fine Chemicals, Co.,ltd. (2 from 55 patents)
2 patents:
1. 6660730 - Anhydrous mirtazapine and process for preparing the same
2. 6495685 - Process for preparing piperazine derivatives