Average Co-Inventor Count = 3.87
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.
10 patents:
1. D972997 - Muffler for motorcycles
2. D972477 - Resonance chamber part of an exhaust pipe
3. D966974 - Resonance chamber part of an exhaust pipe
4. D920201 - Exhaust pipe
5. D911898 - Muffler for motor vehicles
6. D911235 - Motorbike exhaust muffler
7. D910521 - Motorbike exhaust muffler
8. D906917 - Muffler for motor vehicles
9. D840887 - Exhaust pipe
10. D833353 - Part of exhaust pipe