Average Co-Inventor Count = 3.27
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. National Central University (1 from 407 patents)
2. Centraled Technology Co., Ltd. (1 from 1 patent)
3. Jrf Photonics Tech. Co., Ltd. (1 from 1 patent)
3 patents:
1. 10436419 - Variable focus spot light with spin type focusing structure
2. 10030841 - Zoom spotlight
3. 9625124 - Lamp structure of adaptive streetlight