FORM 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                        Report of Foreign Private Issuer


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


                         For the month of December, 2006

                         Commission File Number 1-15236

                              Advantest Corporation
                 (Translation of Registrant's Name Into English)

                         Shin Marunouchi Center Building
                                1-6-2, Marunouchi
                                   Chiyoda-ku
                                 Tokyo 100-0005
                                      Japan
                    (Address of Principal Executive Offices)


     Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F.  Form 20-F X  Form 40-F
                                                          --          --

     Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(1):
                                                    -----

     Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(7):
                                                    -----

     Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act
of 1934.    Yes    No X
               --     --

     If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b):
                                             -----





Materials Contained in this Report:

     1.   Executive Summary of the registrant's Japanese-language Interim
          Securities Report, which was submitted to the Chief of the Kanto Local
          Finance Bureau of the Ministry of Finance of Japan on December 15,
          2006.


     2.   English-language translation of the registrant's Interim Consolidated
          Financial Statements for the six-months period ended September 30,
          2006, which was filed with the Chief of the Kanto Local Finance Bureau
          as part of the registrant's Interim Securities Report.






                                   SIGNATURES


     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.




                                          Advantest Corporation



                                          By: /s/ Hitoshi Owada
                                             ----------------------------------
                                             Name:    Hitoshi Owada
                                             Title:   Director and Managing
                                                      Executive Officer




Date:  December 15, 2006