Form 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D. C. 20549

                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER

                      Pursuant to Rule 13a-16 or 15d-16 of
                       the Securities Exchange Act of 1934

                           For the month of April 2004

                                SONY CORPORATION
                 (Translation of registrant's name into English)

             7-35 KITASHINAGAWA 6-CHOME, SHINAGAWA-KU, TOKYO, JAPAN
                    (Address of principal executive offices)

          The registrant files annual reports under cover of Form 20-F.

                                    SIGNATURE

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.

                                                        SONY CORPORATION
                                                        ----------------
                                                          (Registrant)

                                              By: /s/ Teruhisa Tokunaka
                                                  ---------------------
                                                       (Signature)

                                                  Teruhisa Tokunaka

                                                  Executive Deputy President and
                                                  Group Chief Strategy Officer

Date: April 20, 2004


List of materials

Documents attached hereto:

99)   A press release announcing Sony Corporation's revision of its forecast for
      the fiscal year ended March 31, 2004.