Average Co-Inventor Count = 2.14
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. Sumitomo Rubber Industries Limited (3 from 4,423 patents)
2. Nagase Chemtex Corporation (42 patents)
3 patents:
1. 11433706 - Composite and pneumatic tire
2. 10940718 - Composite and pneumatic tire
3. 10434822 - Pneumatic tire