Average Co-Inventor Count = 5.46
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. Nippon Kayaku Kabushiki Kaisha (2 from 775 patents)
2 patents:
1. 5202449 - Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline
2. 4675339 - Spherical amino acid preparation