LEE JUN SANG innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Republic of Korea	13

#	Technology
#1	Teaching materials
#2	Data processing systems
#3	Television
#4	Climate change mitigation in wastewater treatment
#5	Office furniture
#6	Water treatment

Publication	Filing date	Title
KR20170121398A	2016-04-25	Story making and talking system in foreign language
KR20170121397A	2016-04-25	Dialogue system for foreign language conversation
KR20170115662A	2016-04-08	Dialogue system for foreign language conversation
KR20160003385A	2014-07-01	Railroad vehichle heating system
KR20150022602A	2013-08-24	Language learning apparatus
KR20140127468A	2013-04-25	Multi-purpose portable support fixture
KR20130094936A	2012-02-17	Learning apparatus for foreign language
KR20120037341A	2011-03-23	Foreign language learning system
KR20110122628A	2011-02-08	Conversation system
KR20120088078A	2011-01-30	Foreign language learning apparatus
KR20120085465A	2011-01-24	Conversation system for foreign language
KR101005470B1	2010-08-11	Phosphorus removal equipment of biological treatment effluent by dynamic electrolysis fe filter