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 June, 2007

                         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):_______






Material Contained in this Report:


     1.   English  translation  of an  announcement  dated June 25,  2007,  with
          respect to  Advantest  Corporation's  views and policy  regarding  the
          reduction of its minimum investment unit.









                                   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: June 25, 2007