Average Co-Inventor Count = 1.00
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. Ringsun (shenzhen) Industrial Limited (2 from 5 patents)
2. Yurisheng Electronic (shenzhen) Co., Ltd. (1 from 3 patents)
4 patents:
1. D878711 - Camping sleeping bag
2. 8459317 - Hand-cranked pencil sharpeners
3. 7726365 - Electric pencil sharpener
4. 7240703 - Automatic pencil sharpener