Average Co-Inventor Count = 2.77
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 4,237 patents)
3 patents:
1. 10661658 - Mobile body using removable battery
2. 10266066 - Straddled electric vehicle, and charging system for straddled electric vehicle
3. 9421872 - Vehicle and battery pack