<SUBMISSION>
<ACCESSION-NUMBER>0001209191-04-042567
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20040729
<FILING-DATE>20040830
<DATE-OF-FILING-DATE-CHANGE>20040830
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AMKOR TECHNOLOGY INC
<CIK>0001047127
<ASSIGNED-SIC>3674
<IRS-NUMBER>231722724
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1345 ENTERPRISE DR
<CITY>WEST CHESTER
<STATE>PA
<ZIP>19380
<PHONE>6104319600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1345 ENTERPRISE DR
<CITY>WEST CHESTER
<STATE>PA
<ZIP>19380
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>CHURCHILL WINSTON J
<CIK>0000923792
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-29472
<FILM-NUMBER>041005721
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>800 THE SAFE GUARD BUILDING
<CITY>WAYNE
<STATE>PA
<ZIP>19087
<PHONE>6106958380
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>800 THE SAFEGUARD BUILDING
<CITY>WAYNE
<STATE>PA
<ZIP>19087
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-07-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001047127</issuerCik>
        <issuerName>AMKOR TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>AMKR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000923792</rptOwnerCik>
            <rptOwnerName>CHURCHILL WINSTON J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1200 LIBERTY RIDGE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>WAYNE</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19087</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.11</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-07-29</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.11</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-07-29</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-07-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Amkor Technology, Inc. Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests as follows: 1/3 of the option shares are exercisable twelve (12) months after the date of grant; 1/3 of the option shares become exercisable on each anniversary of the grant date thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Kevin J. Heron - By Power of Attorney</signatureName>
        <signatureDate>2004-08-30</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
