Service Technology: Definition and Characteristics Based on a Patent Database

• Youngjung Geum

  Youngjung Geum

  [email protected]

  Department of Industrial and Information Systems Engineering, Seoul National University of Science and Technology, Seoul 139-743, Republic of Korea

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• Moon-Soo Kim

  Moon-Soo Kim

  [email protected]

  Department of Industrial and Management Engineering, Hankuk University of Foreign Studies, Yongin-si, Gyeonggi-do 449-791, Republic of Korea

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• Sungjoo Lee

  Corresponding Author

  Sungjoo Lee

  [email protected]

  Department of Industrial Engineering, Ajou University, Suwon-si, Gyeonggi-do 16499, Republic of Korea

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