Average Co-Inventor Count = 4.33
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. Zenyaku Kogyo Kabushiki Kaisha (4 from 41 patents)
4 patents:
1. 5773449 - Thioquinolone compounds which have useful pharmaceutical activity
2. 5574033 - Heterocyclic compound and cardiotonic agent containing the same as
3. 5489591 - S-triazine derivative and remedy for estrogen-dependent disease
4. 5446042 - Heterocyclic compound and cardiotonic agent containing the same as