• Environmental analysis
  
  2013 Carbon dioxide microelectrode and its manufacturing method
  2014 Microelectrode for HP measurement and its manufacturing method
  calibration mehtod of microelectrode for carbon dioxide measurement
  2015 calibration method of microelectrode for oxygen measurement
  
  
  Self-reliant Ecosystem
  
  2019 Piping structure of mesocosm simulation syatem
  2021 Enviromental simulation mesocosm system and veifiaction method using it
  
  
  Aquaponics
  
  2022 Aquaponics system equipped with porous filter media Ginseng cultivation method using aquaponics
  2023 Method for cultivating halophytes using aquaponics cultivation conditions
  2024(F)4 application field, 10PCT(USA, japan, Europe) secured
  2030 patents 60, 10 PCT(USA, japan, Europe) secured