Average Co-Inventor Count = 1.89
ph-index = 3
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 4,244 patents)
2. Yamaha Motor Manufacturing Corporation of America (2 from 29 patents)
3. Yamaha Motor Mfg. Corp. of America (1 from 4 patents)
3 patents:
1. 8177008 - All-terrain vehicle with improved power steering unit
2. 7967100 - Utility vehicle
3. 7264298 - Seat unit for a small-sized vehicle