Average Co-Inventor Count = 2.90
ph-index = 2
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. Yamaha Hatsudoki Kabushiki Kaisha (3 from 4,232 patents)
3 patents:
1. 9493208 - Vehicle
2. 9428235 - Vehicle
3. D723431 - Motorcycle