Average Co-Inventor Count = 4.67
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. Chisso Corporation (3 from 1,109 patents)
2. Nissan Motor Company Limited (1 from 13,411 patents)
3 patents:
1. 5145891 - Polypropylene resin composition
2. 5145892 - Polypropylene resin composition
3. 4638030 - Polypropylene interior parts for autocars