Average Co-Inventor Count = 5.00
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. Shionogi Company Limited (2 from 1,001 patents)
2 patents:
1. 9802959 - Method of producing (4R,12aS)-7,9-dihalo-4-methyl-3,4,12,12a-tetrahydro-2H-pyrido[1',2′:4,5]pyrazino[2,1-b][1,3]oxazine-6,8-diones
2. 9321789 - Methods of producing substituted (4R,12AS)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12A-hexahydro-2H-pyrido[1',2′:4,5]pyrazino[2,1-B][1,3]oxazine-9-carboxamides