<SEC-DOCUMENT>0001140361-11-033151.txt : 20110616
<SEC-HEADER>0001140361-11-033151.hdr.sgml : 20110616
<ACCEPTANCE-DATETIME>20110616142711
ACCESSION NUMBER:		0001140361-11-033151
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20110601
FILED AS OF DATE:		20110616
DATE AS OF CHANGE:		20110616

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Iwasaki Toshihiro
		CENTRAL INDEX KEY:			0001523465

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05992
		FILM NUMBER:		11914878

	MAIL ADDRESS:	
		STREET 1:		TWO WORLD FINANCIAL CENTER
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10281

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JAPAN SMALLER CAPITALIZATION FUND INC
		CENTRAL INDEX KEY:			0000859796
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				133553469
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0228

	BUSINESS ADDRESS:	
		STREET 1:		2 WORLD FINANCIAL CENTER
		STREET 2:		BUILDING B, 22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10281-1712
		BUSINESS PHONE:		8008330018

	MAIL ADDRESS:	
		STREET 1:		2 WORLD FINANCIAL CENTER
		STREET 2:		BUILDING B, 22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10281-1712

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JAPAN OTC EQUITY FUND INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<SEQUENCE>1
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<DESCRIPTION>FORM 3
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<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2011-06-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000859796</issuerCik>
        <issuerName>JAPAN SMALLER CAPITALIZATION FUND INC</issuerName>
        <issuerTradingSymbol>JOF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001523465</rptOwnerCik>
            <rptOwnerName>Iwasaki Toshihiro</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO WORLD FINANCIAL CENTER</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10281</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>CEO of Advisor of JOF</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>None</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Neil A. Daniele, as Attorney-in-Fact</signatureName>
        <signatureDate>2011-06-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<TYPE>EX-24
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<DESCRIPTION>POWER OF ATTORNEY
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<div style="TEXT-ALIGN: right">&#160;</div>

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<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-WEIGHT: bold">POWER OF ATTORNEY</font></div>

<div style="TEXT-ALIGN: center">&#160;</div>

<div style="TEXT-ALIGN: left">
<div style="TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">The undersigned, as a Director and/or officer of each of the registered investment companies listed below, hereby authorizes Hiroyuki Nakano, Neil A. Daniele, and Rita Chopra-Brathwaite or any of them, as attorney-in-fact, to sign on his or her behalf on any form, or any amendment to such form, required to be filed by the undersigned pursuant to the reporting requirements of Section 16(a) of the Securities Exchange Act of 1934 due to&#160;their capacity as a Director and/or officer for each of the following registered investment companies and to file, at the request of the undersigned, the same, with all exhibits thereto, with the Securities and Exchange Commission: Japan Smaller Capitalization Fund, Inc. and Korea Equity Fund, Inc. This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by Japan Smaller Capitalization Fund, Inc. or Korea Equity Fund, Inc., unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</font></div>

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<div style="TEXT-ALIGN: left">Dated: June 13, 2011</div>

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<div style="TEXT-ALIGN: left"><font style="TEXT-DECORATION: underline">/s/ Toshihiro Iwasaki&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></div>

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<div style="TEXT-ALIGN: left">Director/Officer Signature</div>

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<div style="TEXT-ALIGN: left">&#160;<font style="TEXT-DECORATION: underline">&#160;&#160; Toshihiro Iwasaki&#160;&#160;&#160;&#160;&#160;</font> </div>

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<div style="TEXT-ALIGN: left">&#160;&#160;&#160;&#160;&#160;&#160; Print Name</div>

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<div style="TEXT-ALIGN: left"><font style="TEXT-DECORATION: underline">/s/ Hiroyuki Nakano&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></div>

<div style="TEXT-ALIGN: left">Hiroyuki Nakano</div>

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<div style="TEXT-ALIGN: left"><font style="TEXT-DECORATION: underline">/s/ Neil A. Daniele&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div>

<div style="TEXT-ALIGN: left">Neil A. Daniele</div>

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<div style="TEXT-ALIGN: left"><font style="TEXT-DECORATION: underline">/s/ Rita Chopra-Brathwaite&#160;&#160;&#160;&#160;&#160;&#160;</font> </div>

<div style="TEXT-ALIGN: left">Rita Chopra-Brathwaite</div>

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<div style="TEXT-ALIGN: left">&#160;</div>

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