Average Co-Inventor Count = 1.71
ph-index = 1
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 (4 from 4,238 patents)
4 patents:
1. 12403996 - Marine power supply system and method for controlling marine power supply system
2. 12249858 - Marine propulsion system and marine power supply system including a plurality of batteries
3. 11459077 - Marine power supply system and method for power control in marine propulsion system
4. 10612461 - Watercraft and system for operating same