Beijing
China
4
2020-11-19
The entities that hold a legal rights for patent applications filed by inventor LI Yinyan:
Yinyan LI from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
TRACING DEVICE AND POSITIONING SYSTEM
#2 | 2020-09-15Probe device, precision detection method, precision detection system, and positioning system
#3 | 2020-05-28Precision detection method and device for surgical robot positioning system
#4 | 2019-10-03SURGICAL POSITIONING APPARATUS, POSITIONING SYSTEM AND POSITIONING METHOD
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