Average Co-Inventor Count = 3.69
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. Nissan Motor Company Limited (2 from 13,402 patents)
2. Other (1 from 832,761 patents)
3. Ichikoh Industries, Ltd. (1 from 398 patents)
4 patents:
1. 6843588 - Vehicular lamp system for automotive vehicle
2. 6578992 - Vehicular lamp system for automotive vehicle
3. 6533443 - Head lamp for automobile
4. 6478460 - Headlamp of automobile