Average Co-Inventor Count = 3.00
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 Rubber Industries Limited (2 from 4,414 patents)
2 patents:
1. 8809450 - Modified natural rubber, production method thereof, tire rubber composition, and pneumatic tire
2. 8633275 - Rubber composition for breaker and pneumatic tire