Average Co-Inventor Count = 4.00
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. Tianjin Yuanzhi Environmental Technology Co. Ltd. (2 from 2 patents)
2. Tianjin Yuanzhi Environmental Protection Technology Co., Ltd (1 from 2 patents)
3 patents:
1. D1103336 - Water filter
2. D1083024 - Refrigerator filter
3. D1083025 - Refrigerator filter