2015

• A Study on Design of a Light weight MW Class Offshore Wind-
  turbine Hollow Rotor shaft

  Journal Name : International Journal of Precision Engineering and Manufacturing
  Overseas / SCI
• A Door Frame for Wind Turbine Towers Using Open-Die Forging and Ring-Rolling Methods
  
  
  Journal Name : The Korean Society of Mechanical Engineers
  Overseas / SCI

2014

• A study on the Shape Optimization adn the Forming Process
  Design of a 7MW Rotor shaft

  Journal Name : IInternational Journal of Precision Engineering and Manufacturing
  Overseas / SCI
• Research on manufacturing techniques of a shrink disc for 5MW offshore wind power generators
  
  
  Journal Name : Fall 2014 Korea Wind Energy Association
  Domestic / Non-SCI
• Manufacturing technology in forging components for wind turbine and its market changes
  Journal Name : Wind energy Grid-Adaptive Technologies
  Overseas / Non-SCI
• Optimization of a manufacturing process of a shrink disc for 5MW offshore wind power generators
  Journal Name : Fall 2014 The Korean Institute of Metals and Materials
  Domestic / Non-SCI

• Research on optimization of a manufacturing process of a shrink disc for large-scale offshore wind power generators
  Journal Name : Fall 2014 The Korean Society for Technology of Plasticity
  Domestic / Non-SCI
• Effect due to assembly error of gear box rack and pinion for jack-up
  Journal Name : Fall 2014 The Korean Society for Technology of Plasticity
  Domestic / Non-SCI
• Research on a single type shrink disc for 5MW offshore wind power generators/div>

  Journal Name : The Korean Society of Ocean Engineers

  Domestic / Non-SCI
• 2.5MW wind power generator gear box toothing adjustment
  Journal Name : Korea Production and Manufacturing Systems Society
  Domestic / Non-SCI
• Vibration characteristics of power-split gear-train for 2.5MW wind power generators
  Journal Name : The Korean Society of Marine Engineering
  Domestic / Non-SCI

2013

• Forging process design of a second hand rotor shaft pipe for offshore wind power generators

  Journal Name : Fall 2013 The Korean Institute of Metals and Materials
  Domestic / SCI
• Research on lightweight design for wind power rotor shafts
  Journal Name : Journal of the Korean Society of Marine Engineering
  Domestic / SCI
• Optimization of shrink disc manufacturing process for offshore wind power generators
  Journal Name : 2013 Korean Institute of Metals and Materials Fall Symposium
  Domestic / SCI

2016

• APPARATUS FOR PRELIMINARY FORMING OF HOLLOW MEMBER

  Registration/ Application No. : 10-1611372
  Registration/ Application Date : 2016.04.05
  Category : Registered

• Power transmission device for wind turbine

  Registration/ Application No. : 10-1611378
  Registration/ Application Date : 2016.04.05
  Category : Registered

2015

• Apparatus for forming hollow shaft

  Registration/ Application No. : 10-1506918
  Registration/ Application Date : 2015.03.24
  Category : Registered

• Apparatus for forming of hollow type

  Registration/ Application No. : 10-1506585
  Registration/ Application Date : 2015.03.23
  Category : Registered

• Apparatus for forming of hollow type

  Registration/ Application No. : 10-2015-0017403
  Registration/ Application Date : 2015.02.04
  Category : Applied

• Apparatus for forming wind turbine shaft

  Registration/ Application No. : 10-2015-0004481
  Registration/ Application Date : 2015.01.12
  Category : Applied

2014

• Power transmission device for wind turbine

  Registration/ Application No. : 10-2014-0037992
  Registration/ Application Date : 2014.03.31
  Category : Applied

• Power transmission device for wind turbine

  Registration/ Application No. : 10-2014-0037993
  Registration/ Application Date : 2014.03.31
  Category : Applied

• Heat treatment method of yaw bearing for wind generator

  Registration/ Application No. : 10-1360115
  Registration/ Application Date : 2015.02.04
  Category : Registered

2013

• A manufacturing method for profiled ring of Ni-base superalloy for obtaining a uniform microstructure

  Registration/ Application No. : 10-1330641
  Registration/ Application Date : 2013.11.12
  Category : Registered

2012

• Method for designing piercing loss in ring rolling process

  Registration/ Application No. : 10-1196642
  Registration/ Application Date : 2012.10.26
  Category : Registered

• Method for performing heat treatment on ring shaped product

  Registration/ Application No. : 10-1137490
  Registration/ Application Date : 2012.04.10
  Category : Registered

2011

• A semi-finished ring rolling machine and manufacturing method for profiled ring

  Registration/ Application No. : 10-1188605
  Registration/ Application Date : 2011.07.06
  Category : Registered

• High strength and toughness material and method for forming tower flange using the same

  Registration/ Application No. : 10-1301617
  Registration/ Application Date : 2011.05.13
  Category : Registered

• Alloy for tower flange

  Registration/ Application No. : 10-2011-0019104
  Registration/ Application Date : 2011.03.03
  Category : Applied

2007

• Method for designing shape in ring rolling process

  Registration/ Application No. : 10-0769253
  Registration/ Application Date : 2007.10.16
  Category : Registered