Average Co-Inventor Count = 7.00
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. Yamanouchi Pharmaceutical Company Ltd. (2 from 329 patents)
2. Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai (1 from 212 patents)
2 patents:
1. 4279997 - Process for production of aminoglycoside antibiotics
2. 4209511 - Aminoglycoside antibiotics and process for production thereof