Exhibit (b)

                     Japan Smaller Capitalization Fund, Inc.

                     Two World Financial Center, Building B
                            New York, New York 10281

                                                               Telephone
                                                               (800) 833-0018

         Certification Pursuant to Section 906 of the Sarbanes Oxley Act
         ---------------------------------------------------------------

I, Rita Chopra-Brathwaite, certify that:

1.   The Form N-CSR of the Fund (the "Report") fully complies with the
     requirements of Section 13(a) or 15(d) of the Securities Exchange Act of
     1934; and

2.   The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Fund.

- ------------------------------------------------------------------------------

Date: December 29, 2006                         /s/ Rita Chopra-Brathwaite
                                                --------------------------
- ------------------------------------------------------------------------------
                                                Rita Chopra-Brathwaite
                                                Treasurer
- ------------------------------------------------------------------------------
A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature
that appears in typed form within the electronic version of this written
statement required by Section 906, has been provided to Japan Smaller
Capitalization Fund, Inc. and will be retained by Japan Smaller Capitalization
Fund, Inc. and furnished to the Securities and Exchange Commission or its
staff upon request.






                     Japan Smaller Capitalization Fund, Inc.

                     Two World Financial Center, Building B
                            New York, New York 10281

                                                               Telephone
                                                               (800) 833-0018

         Certification Pursuant to Section 906 of the Sarbanes Oxley Act
         ---------------------------------------------------------------

I, Hiroshi Terasaki, certify that:

1.   The Form N-CSR of the Fund (the "Report") fully complies with the
     requirements of Section 13(a) or 15(d) of the Securities Exchange Act of
     1934; and

2.   The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Fund.

- ------------------------------------------------------------------------------

Date: December 29, 2006                            /s/ Hiroshi Terasaki
- ------------------------------------------------------------------------------
                                                   Hiroshi Terasaki
                                                   President
- ------------------------------------------------------------------------------
A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature
that appears in typed form within the electronic version of this written
statement required by Section 906, has been provided to Japan Smaller
Capitalization Fund, Inc. and will be retained by Japan Smaller Capitalization
Fund, Inc. and furnished to the Securities and Exchange Commission or its
staff upon request.



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