・ Water supply network monitoring systems ・ Waste water plant monitoring systems ・ Energy monitoring systems ・ Energy conservation monitoring systems ・ Camera network systems ・ Nurse support information systems   ・ Ultrasonic flow meters ・ Data loggers ・ Data processing & communicating units ・ Wireless communication units ・ Micro-chip based controllers ・ CAN Controllers, GPS Controllers   ・ Invention of a Microcomputers, DSP,FPGA applied device Ultrasonic sensor control technology ・ Invention of a Radio Frequency device (wireless controller, wireless modem) ・ Invention of a communication device (LAN, CAN, Fieldbus, etc.) ・ Database Application (Oracle, MySQL, Access) ・ HMI-Tools Application (InTouch, iFix, Citect etc.)