Average Co-Inventor Count = 1.33
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 Ph, Nederman & Co. (2 from 29 patents)
2 patents:
1. 6324988 - Device at rails for exhaust extraction devices
2. 6012978 - Device for removal of exhausts from vehicles