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 October, 2015

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 o

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 o 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:

English translation of the Japanese-language FY2015 Second Quarter Consolidated Financial Results for the period ended September 30, 2015, as filed by the registrant with the Tokyo Stock Exchange on October 26, 2015.

English translation of a press release dated October 26, 2015 regarding Revisions of Earnings Forecast for the Fiscal Year Ending March 31, 2016.

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/ Hiroshi Nakamura
	Name:	Hiroshi Nakamura
	Title:	Director, Managing Executive Officer

Date: October 26, 2015

ADVANTEST CORP 6-K