Average Co-Inventor Count = 5.83
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. Shionogi Company Limited (3 from 1,001 patents)
2. Shionogi Seiyaku Kabushiki Kaisha (1 from 25 patents)
4 patents:
1. 6743923 - Antirheumatic agent
2. 6525081 - Antirheumatic
3. 5314911 - Immunosuppressive agent
4. 4370414 - Process for producing 6-aminopenicillanic acid and 6-aminopenicillanic