Average Co-Inventor Count = 2.67
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. Riken Corporation (2 from 855 patents)
2. Sumitomo Chemical Company, Limited (1 from 6,896 patents)
3. Sumitomo Bakelite Company Limited (1 from 613 patents)
2 patents:
1. 10781420 - Method for producing cerebellar progenitor tissue
2. 10487310 - Vessel for culturing human ES cells