Average Co-Inventor Count = 1.87
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. Hella Kg Hueck and Co. (4 from 150 patents)
4 patents:
1. 5091829 - Headlamp for a motor vehicle
2. 5031079 - Vehicle headlight
3. 4967318 - Vehicle headlight
4. 4722029 - Vehicle headlight