Puning
China
4
2021-12-30
The entities that hold a legal rights for patent applications filed by inventor Lu Qiwei:
Qiwei Lu from Puning, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Multi-screen interactive network teaching method and apparatus
#2 | 2021-11-25Speaker Identification Method and Apparatus in Multi-person Speech
#3 | 2020-09-10Following teaching system having voice evaluation function
#4 | 2018-08-30Image synchronous display method and device
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