Implantable telemetry device: heart pacemaker, bladder controller, micro-stimulator、Bio-signal (ECG) acquisition system on a chip (SOC): preamplifier, analog filter, ADC/DAC、Healthcare system: RF fron-end and analog frond-end integration, RFID/ZigBee system、Low-power circuits for wireless biomedical circuits and systems、Digital system: DSP chip for feature extraction, baseband chip for healthcare system、Wearable device with internet of thing (IOT) system on a chip (SOC)、Guard Patch: An artificial intelligence system and platform with wearable diseases diagnosis、Guard Patch: A system-on-chip and platform for cardiovascular diesease analysis and evaluation、