Average Co-Inventor Count = 2.25
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. Delta Electronics, Inc. (3 from 3,376 patents)
3 patents:
1. D673309 - Lamp
2. D668799 - Lamp
3. D646406 - LED PAR lamp