Average Co-Inventor Count = 4.10
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. Shanghai Well-sun Precision Tools Co., Ltd. (2 from 2 patents)
2. Shanghai Well-sun Procision Tool Co., Ltd. (0 patent)
4 patents:
1. D1052183 - Accessory for nail polisher
2. D1052184 - Accessory for nail polisher
3. 11284695 - Five-in-one polishing head
4. D847225 - Grinder bistrique