Average Co-Inventor Count = 3.00
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 (2 from 4,237 patents)
2 patents:
1. 7219758 - Small vehicle having fuel cell with damage protection
2. 5251718 - Wind leading system for snowmobile