Average Co-Inventor Count = 3.43
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. Japan Poliomyelitis Research Institute (2 from 2 patents)
2. Takeda Pharmaceutical Company Limited (1 from 1,179 patents)
3. Globeride, Inc. (1 from 232 patents)
4. Central Institute for Experimental Animals (1 from 9 patents)
5. Osaka University (989 patents)
3 patents:
1. D1093546 - Fishing reel
2. 8753646 - IPV-DPT vaccine
3. 5986171 - Method for examining neurovirulence of polio virus