Average Co-Inventor Count = 1.85
ph-index = 4
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. Sp Tyres UK Limited (3 from 22 patents)
2. Dunlop Gmbh (1 from 373 patents)
4 patents:
1. D314538 - Tire for vehicles
2. D310056 - Tire for vehicles
3. D309723 - Tire for vehicles
4. 4271884 - Tire fitting device