Inventor

CHEN ZHEFAN

CN5 patents

Patents

5 patents

US12598006B2Apr 7, 2026

Antenna in package, radio frequency chip, test device and test method

CALTERAH SEMICONDUCTOR TECH SHANGHAI CO LTD0 citations56

US12424757B2Sep 23, 2025

On-board antenna, radio device, and electronic apparatus

CALTERAH SEMICONDUCTOR TECH SHANGHAI CO LTD0 citations46

US12374766B2Jul 29, 2025

Attenuation apparatus and test system

CALTERAH SEMICONDUCTOR TECH SHANGHAI CO LTD0 citations46

US12586889B2Mar 24, 2026

Conversion apparatus from chip package to waveguide, radio frequency apparatus and radar apparatus

CALTERAH SEMICONDUCTOR TECH SHANGHAI CO LTD0 citations44

US12451596B2Oct 21, 2025

Microstrip antenna, antenna array, radar, and vehicle

CALTERAH SEMICONDUCTOR TECH SHANGHAI CO LTD0 citations44