Average Co-Inventor Count = 5.13
ph-index = 7
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.
9 patents:
1. D933558 - Pair of tailpipes
2. D911898 - Muffler for motor vehicles
3. D911235 - Motorbike exhaust muffler
4. D910521 - Motorbike exhaust muffler
5. D906917 - Muffler for motor vehicles
6. D837119 - Exhaust pipe
7. D836515 - Exhaust pipe
8. D836514 - Exhaust pipe
9. D833936 - Exhaust pipe