Hangzhou
China
3
2024-03-07
The entities that hold a legal rights for patent applications filed by inventor QIU Jichen:
Jichen QIU from Hangzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
BROADBAND RADIO FRQUENCY SIGNAL OPTICAL FIBER PHASE-STABLE TRANSMISSION SYSTEM
#2 | 2022-12-08Ultra-low Phase Noise Detection System Generating Millimeter Wave Signal based on Optical Frequency Comb
#3 | 2020-08-20Photonic radio-frequency receiver with mirror frequency suppression function
2829031 ⎘