EXHIBIT 21.1

                             AMKOR TECHNOLOGY, INC.

                              LIST OF SUBSIDIARIES

A.   Amkor Technology Hong Kong Limited. a limited liability corporation
     organized under the laws of Hong Kong (incorporated September 29, 2000).

B.   Amkor Wafer Fabrication Services, S.A.R.L., a corporation organized under
     the laws of France (incorporated December 15, 1997).

C.   100% ownership in Amkor Iwate Company, Ltd. a corporation incorporated
     under the laws of Japan (incorporated July 21, 1953).

D.   13% ownership in Amkor Technology Taiwan Ltd., a corporation organized
     under the laws of the Republic of China (established in 1998, acquired July
     26, 2001).

E.   Amkor Assembly & Test (Shanghai) Co., Ltd., a wholly owned corporation
     organized under the laws of the People's Republic of China (incorporated
     March 8, 2001).

F.   Amkor Investment Holdings, Co. - a Delaware Corporation (incorporated
     September 26, 2002).

G.   Amkor Technology Singapore Pte. Ltd. (incorporated March 3, 2004).

H.   Guardian Assets, Inc., a Delaware corporation, and its wholly owned
     subsidiaries:

     1)   Amkor Technology Euroservices, S.A.R.L., a corporation organized under
          the laws of France.

     2)   Amkor Technology Japan, K.K., a corporation organized under the laws
          of Japan (incorporated July 23, 1999).

     3)   Amkor International Holdings, a corporation organized under the laws
          of the British Cayman Islands and its wholly owned subsidiary:

          a)   P-Four, Inc., a corporation organized under the laws of the
               Philippines and its subsidiary:

               (i)   60% ownership of Amkor Technology Philippines, Inc.,
                     organized under the laws of the Philippines (40% ownership
                     by Amkor Technology Limited).

          b)   Amkor Technology Limited, a wholly owned corporation organized
               under the laws of the British Cayman Islands and its subsidiary:

               (i)   Amkor Technology Korea, Inc., a wholly owned corporation
                     organized under the laws of the Republic of Korea.

               (ii)  SemiSys Co., Ltd., a wholly owned corporation organized
                     under the laws of the Republic of Korea.

               (iii) 40% ownership of Amkor Technology Philippines, Inc.,
                     organized under the laws of the Philippines (60% ownership
                     by P-Four, Inc.).

               (iv)  84% ownership of Amkor Technology Taiwan Ltd., a
                     corporation organized under the laws of the Republic of
                     China (established in 1998, acquired July 26, 2001).

                     (a) Amkor Technology Greater China, Ltd. (formerly Sampo
                         Investments Ltd.), a corporation organized under the
                         laws of the Republic of China (acquired July 10, 2001).

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