Average Co-Inventor Count = 1.33
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. Guangdong Sirui Optical Co., Ltd. (2 from 34 patents)
2. Zhongshan Dashan Photographic Equipment Co., Ltd. (2 from 19 patents)
4 patents:
1. 12442486 - Extendable support leg
2. 12379064 - Quick release device
3. D871492 - Monopod
4. 9726963 - Quick connection structure