Average Co-Inventor Count = 5.27
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. Wakunaga Pharmaceutical Co., Ltd. (2 from 30 patents)
2. Wakunaga Seiyaku Kabushiki Kaisha (1 from 45 patents)
3 patents:
1. 6136823 - Pyridonecarboxylic acid derivatives or salts thereof and drugs
2. 5994575 - Phenylenediamines and process for preparing the same
3. 5910498 - Pyridonecarboxylic acid derivatives or salts thereof and antibacterial