Average Co-Inventor Count = 3.64
ph-index = 4
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 Putao Technology Co., Ltd. (4 from 17 patents)
4 patents:
1. D855094 - Robot
2. D852284 - Toy brick
3. D833494 - Gearbox
4. D833540 - Toy brick