Average Co-Inventor Count = 6.11
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.
5 patents:
1. D979475 - Muffler for motorcycles
2. D968295 - Muffler for motorcycles
3. D937723 - Muffler for motorcycles
4. D937724 - Muffler for motorcycles
5. D832756 - Exhaust pipe