Average Co-Inventor Count = 5.46
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. Koken Company, Limited (2 from 54 patents)
2. National Cancer Center (1 from 222 patents)
3. Sumitomo Pharmaceuticals Company Limited (1 from 174 patents)
4. Dainippon Sumitomo Pharma Co., Ltd. (1 from 140 patents)
2 patents:
1. 8742091 - Method of promoting nucleic acid transfer
2. 7052875 - Stable gene preparations