Average Co-Inventor Count = 2.00
ph-index = 3
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. Zhejiang Yotrio Group Co., Ltd (2 from 28 patents)
2. Yotrio Group Co., Ltd. (1 from 34 patents)
3 patents:
1. 10508465 - Detachable base
2. 10064465 - Opening and closing structure for umbrella combining automatic and non-automatic modes
3. 9820540 - Solar umbrella