Average Co-Inventor Count = 2.67
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. Ab Volvo Penta (2 from 161 patents)
2 patents:
1. 8579669 - Gear housing for an aquatic vessel, breakaway safety system for an aquatic vessel and aquatic vessel
2. 5441432 - Boat propeller drive unit