Patent applied for sensible smell aid

Patent reglstration for artificial larynx(#10-1778499)

Patent registration for reed type(#0528390)

Silver prlze, provinclal invention in Gwangju(Artificial nose)

Broze prize, prize, provincial invention in Gwangju(Reed type larynx)

8th business contest for the disabled. Top prize(Reed type larynx)

Laboratory registration

14th Conference for voice and seience.
1st workshop for voice and language(presentation for moksori)

Business administration(Moksori)