Average Co-Inventor Count = 5.00
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. Zhejiang Yotrio Group Co., Ltd (3 from 28 patents)
3 patents:
1. D1067620 - Crank for an umbrella
2. D1067619 - Crank for an umbrella
3. D1051585 - Crank for an umbrella