Average Co-Inventor Count = 3.37
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. Nichia Corporation (5 from 3,079 patents)
2. Asahi Rubber Inc. (1 from 26 patents)
5 patents:
1. 9484514 - Light-emitting device
2. D727273 - Light emitting diode
3. D697642 - Light emitting diode
4. D683708 - Light emitting diode
5. D682224 - Light emitting diode