2008 year

2008. Established Taesan Construction Company

2009 year

2009. 05Patent (Korea) Reg. No. 10-2009-0044702
Replaceable light sound-absorbing panels favorable for horizontal assembly and maintenance

2009. 10Patent (Korea) Reg. No. 10-2009-0093837
Illuminated road signs

2010 year

2010.06Patent (Korea) Reg. No. 10-2010-0062765
A removable keypad device for portable electronic devices

2011 year

2011.Converted type of firm (to Taesan Co., Ltd)

2011.02Utility Model Patent (Korea) Reg. No. 20-2011-0001691
Soundproofing block for soundproof walls

2011.03Patent (Korea) Reg. No. 10-2011-0024898
A character & voice-based message transmission system, and a transmission method upon sender & receiver's selection

2011.09Patent (Korea) Reg. No. 10-2011-0092855
Snow removal heat mats

2012 year

2012.08.Patent (Korea) Reg. No. 10-2012-0088115
Soundproof panel for soundproof wall with improved structure

2012.08Patent (Korea) Reg. No. 10-2012-0088117
Separated transparent soundproof panel

2013 year

2013. 06Patent (Korea) Reg. No. 10-2013-0065538
Soundproof tunnel ceiling leakage prevention structure

2013. 06Patent (Korea) Reg. No. 10-2013-0065605
Soundproof tunnel ceiling leakage prevention structure

2013. 10Patent (Korea) Reg. No. 10-2013-0118592
Replaceable soundproof panel

2014 year

2014.06Patent (Korea) Reg. No. 10-2014-0075179
Soundproof wall load transfer reduction device and How to replace sound-absorbing panel of soundproof wall using Load Transfer Reduction Device

2015 year

2015.02Design Patent (Korea) Reg. No. 30-2015-0006633[M001]
Soundproofing panel
(sound absorption type)

2015.02Design Patent (Korea) Reg. No. 30-2015-0006636[M001]
Soundproofing board
(transparent type)

2015.02Design Patent (Korea) Reg. No. 30-2015-0008109[M001]
Fixing material for a sound-absorbing panel support frame

2015.12Patent (Korea) Reg. No. 10-2015-0172109
Sound absorbing and transparent sound barrier including load transfer reduction device

2016 year

2016Gwanggyo New City Section of Youngdong Expressway Soundproofing Tunnel for Section #2 (Korea Highway Corporation)

2016Siheung Moken Housing Development Project for Section #2 (Korea Land & Housing Corporation)

2017 year

2017Gangil IC soundproof wall replacement work
(Korea Highway Corporation)

2017Construction of soundproof wall of Songpa
(Korea Highway Corporation)

2017Gwanggyo New City Section of Youngdong Expressway Soundproofing Tunnel for Section #1 (Korea Highway Corporation)

2017. 08Established a subsidiary in Vietnam