FORM 6-K

U.S. 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
Commission File Number:  333-13896

Supplement For the month of December 2011.

Total number of pages: 3

The exhibit index is located on page 1

NIDEC CORPORATION

(Translation of registrant’s name into English)

338 KuzeTonoshiro-Cho,

Minami-Ku,Kyoto 601-8205 Japan

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover 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 by furnishing the information contained in this Form, the registrant 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):  82-_____

Information furnished on this form:

EXHIBITS

Exhibit Number

1

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.

Date: December 15, 2011
	NIDEC CORPORATION
	By:     /S/ Masahiro Nagayasu
	Senior General Manager, Investor Relations

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FOR IMMEDIATE RELEASE

NIDEC CORPORATION

New York Stock Exchange symbol: NJ

Stock exchange code (Tokyo, Osaka): 6594

Contact:
	Masahiro Nagayasu
	Senior General Manager
	Investor Relations
	+81-75-935-6140
	ir@jp.nidec.com

Released on December 15, 2011, in Kyoto, Japan

Nidec Updates Status of Operations in Thailand

Nidec Corporation (NYSE: NJ) (the “Company”) announced today the current status of its manufacturing operations in areas affected by the recent flooding in Thailand.

Nidec Shibaura Electronics (Thailand) Co., Ltd. and Nidec Copal (Thailand) Co., Ltd. have resumed operations in Bangkadi Industrial Park and Nava Nakorn Industrial Estate, respectively, while maintaining alternative production outside each industrial zone. As of today, out of the ten factories of the Company and its subsidiaries in the affected areas, nine have their facilities back in operation and one remains solely dependent on alternative production outside the affected areas. We will continue our efforts to further improve the utilization of the operational factories and to bring the currently inactive factory back into operation to the earliest extent possible.

The exact amount of damage and the effect of the floods on the Company’s performance are currently being assessed. We will continue to report on any actual or potential impact on the Company’s business performance in a prompt manner.

Company	Factory	Location	Products	Status
Nidec Electronics (Thailand) Co., Ltd.	Rangsit	Pathumthani Province	Hard disk drive (“HDD”) motors	Operations resumed on Oct. 25.
	Bangkadi	Bangkadi Industrial Park, Pathumthani Province		Alternative production started on Nov. 12 at a leased factory in Rayong Province.
	Rojana	Rojana Industrial Park, Ayutthaya Province		Operations resumed on Dec. 1.
Nidec Precision (Thailand) Co., Ltd.	Rojana	Rojana Industrial Park, Ayutthaya Province	HDD motor components	Operations resumed on Nov. 21.
	Ayutthaya	Wangnoi District, Ayutthaya Province		Operations resumed on Nov. 4.
Nidec Component Technology (Thailand) Co., Ltd.	Saraburi	SIL Industrial Land, Saraburi Province	HDD base plates	No damages confirmed and operations remain normal.
	Bang Pa-In	Bang Pa-In Industrial Estate, Ayutthaya Province		Operations resumed on Dec. 8.
Nidec Shibaura Electronics (Thailand) Co., Ltd.	―	Bangkadi Industrial Park, Pathumthani Province	Home appliance motors	Operations resumed on Dec. 9.
Nidec Copal (Thailand) Co., Ltd.	―	Nava Nakorn Industrial Estate, Pathumthani Province	Camera shutters; Lens units	Operations resumed on Dec. 13.
Nidec-Read (Thailand) Co., Ltd.	―	Chachoengsao Province	Inspection fixtures	No damages confirmed and operations remain normal.

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