Hayward, California
United States
6
2023-09-21
The entities that hold a legal rights for patent applications filed by inventor Chen Lei:
Lei Chen from Hayward, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Air-pulse generating device with efficient propagation
#2 | 2021-09-23Package structure and methods of manufacturing sound producing chip, forming package structure and forming sound producing apparatus
#3 | 2021-03-25PACKAGE STRUCTURE OF SOUND PRODUCING DEVICE AND MANUFACTURING METHOD THEREOF
#4 | 2021-01-07Sound producing device
#5 | 2020-09-22Sound producing device
#6 | 2020-09-15Sound producing device
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