Average Co-Inventor Count = 1.67
ph-index = 1
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. The Department of Electrical Engineering, National Chang-hua University of Education (1 from 15 patents)
2. Avertronics Inc. (1 from 12 patents)
2 patents:
1. 11957258 - Top item holder
2. 9661712 - Lamp with automatic dimmer