Average Co-Inventor Count = 1.78
ph-index = 4
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. Werma Holding Gmbh + Co. Kg (2 from 15 patents)
2. Werma Signaltechnik Gmbh + Co. Kg (1 from 4 patents)
3. Werma Signaltechnik Gmbh & Co. (1 from 3 patents)
4 patents:
1. 8456322 - Warning light device having at least two warning lamps
2. 8395526 - Warning light device having at least two warning lamps
3. 7587178 - Signaling device
4. 6572242 - Illuminator for a signal lamp