KAGA FEI Electronics (Shanghai) (加贺富仪艾电子（上海）有限公司, formerly known as Fujitsu Microelectronics (Shanghai), 富士通微电子（上海)) is a company that designs, develops, and sells electronic components. It includes custom system-on-a-chips (SoCs), application-specific standard products (ASSPs), ferroelectric random-access memory (RAM), relays, gallium nitride(GaN), air purifiers, connectors, power supply devices, wireless modules, etc.