Average Co-Inventor Count = 6.46
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. Sumitomo Chemical Company, Limited (2 from 6,892 patents)
2. Sumitomo Pharmaceuticals Company Limited (2 from 174 patents)
2 patents:
1. 5252480 - Human monoclonal antibody and hybridoma producing the same
2. 5196337 - Human monoclonal antibody, and its production and use