Average Co-Inventor Count = 8.22
ph-index = 1
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. Taiho Pharmaceutical Company Limited (3 from 318 patents)
2. Synphar Laboratories, Inc. (3 from 21 patents)
3 patents:
1. 5994342 - 3-(substituted methyl)-4-oxa-1-azabicyclo[3.2.0]heptan-7-one derivatives
2. 5652234 - 3-(7-oxo-1-aza-4-oxabicyclo[3.2.0]hept-3-yl)alanine derivative as
3. 5561126 - 4-oxa-1-azabicyclo [3,2,0] heptan-7-one derivatives as antitumor agents