Average Co-Inventor Count = 5.17
ph-index = 5
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. D911235 - Motorbike exhaust muffler
3. D906917 - Muffler for motor vehicles
4. D864818 - Exhaust pipe
5. D854476 - Muffler for motors