Average Co-Inventor Count = 2.77
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 (3 from 4,428 patents)
3 patents:
1. 11433705 - Studless tire
2. 10494510 - Rubber composition for tire, and pneumatic tire
3. 9856362 - Rubber composition for tires and pneumatic tire