Average Co-Inventor Count = 1.20
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. Wella Aktiengesellschaft (5 from 433 patents)
2. Fujitsu Corporation (1 from 39,244 patents)
3. Ing. Erich Pfeiffer Gmbh (1 from 111 patents)
7 patents:
1. D655039 - Infrared radiation dryer
2. D655040 - Infrared radiation dryer
3. D628343 - Infrared radiation dryer
4. D601750 - Hair dryer
5. D596940 - Dispenser head
6. D586955 - Combined hair cutting device and base
7. D479527 - Handheld computer