Average Co-Inventor Count = 2.46
ph-index = 4
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 4,233 patents)
2. Yamaha Marine Kabushiki Kaisha (2 from 279 patents)
3. Mitsubishi Electric Corpotation (1 from 13 patents)
5 patents:
1. 11378046 - Fuel supply apparatus and outboard motor
2. 7704109 - Structure for mounting cables for boat propulsion unit
3. 7553206 - Outboard motor
4. 7455560 - Outboard motor having a cowling
5. 7448928 - Outboard motor cowl structure