Average Co-Inventor Count = 2.88
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. Delta Electronics, Inc. (5 from 3,366 patents)
5 patents:
1. D869738 - Fixed luminaire
2. D867650 - Fixed luminaire
3. 9188314 - Light emitting diode device
4. D727553 - Ceiling-mounted lamp
5. D715476 - Embedded lamp