Nippon Piston Ring Co.,Ltd.
Company Profile
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Business Overview
-A manufacturer specializing in internal combustion parts, including piston rings, valve seats, and valve train parts.
-The piston-ring market in Japan is dominated by three companies, namely the Company, Riken, and TPR.
Business Result Highlights
-The Company’s financial results for the fiscal year that ended in March 2021 are as follows.
-Consolidated sales: JPY 45.2 billion (17.5% decrease year-over-year)
-Operating income: JPY 1.6 billion
-Ordinary income: JPY 3.5 billion (80.0% decrease year-over-year)
-Current net loss attributable to the parent-company’s shareholders: JPY 813 million
-Sales generated by the automotive products business account for 85.6% of the Company’s total consolidated sales.
Shareholders
| -Listed on the first section of the Tokyo Stock Exchange. | (As of Mar. 31, 2021) |
| Name or Company Name | Investment Ratio (%) |
| The Master Trust Bank of Japan, Ltd. (Trust Account) | 6.30 |
| Custody Bank of Japan, Ltd. (Trust Account) | 4.84 |
| The Nomura Trust and Banking Co., Ltd. (NIPPON PISTON RINGl Employee Stock Purchase Plan Trust Account) | 3.92 |
| Tokio Marine & Nichido Fire Insurance Co., Ltd. | 3.35 |
| Asahi Mutual Life Insurance Co. | 3.25 |
| Employee stock holdings | 2.91 |
| DFA INTL SMALL CAP VALUE PORTFOLIO | 2.28 |
| Shinsei Bank, Ltd. | 2.07 |
| NIPPON PISTON RING Business Partners Shareholders' Association | 1.95 |
| Mitsubishi UFJ Trust Bank, Ltd. | 1.86 |
| Total | 32.72 |
Products
Power train parts
-Piston rings
- Piston rings for gasoline engine
- Piston rings for diesel engine
- Piston rings for rotary engine
-Cylinder liners
Valve train parts
-Valve seats
- Valve seat inserts
-Camshafts
- Composite camshafts
- Alloy cast iron camshafts
-Others
- Valve rocker arms
- Valve lifters
- Valve guides
- Rocker bridges
Other
-Component parts to strengthen aluminum body (material to strengthen bearing)
-Fuel injector parts
-Synchronizer rings
History
| Dec. 1934 | Established as Nippon Piston Ring in Shiba-ku, Tokyo. Set up the Kawaguchi Plant. |
| Apr. 1939 | Opened the Yono Plant. |
| May 1949 | Listed on the First Sections of both the Tokyo and Osaka Stock Exchanges. |
| Feb. 1960 | Headquarters moved to Chiyoda-ku, Tokyo. |
| June, 1964 | Established Nippon Ring Service. |
| May, 1998 | Headquarters moved to Yono, Saitama. |
| Oct. 1998 | NPR Fukushima and NPR Iwate received the TPM Award. |
| Jan. 1999 | Yono Plant ISO9001 certified. |
| Nov. 1999 | Tochigi Plant received the TPM Award. |
| Jan. 2000 | Automotive piston ring business received QS9000 certification. |
| Feb. 2000 | NPR Fukushima Works Co., Ltd. received ISO9001 certification. |
| Dec. 2000 | Received ISO14001 certification at the headquarters. |
| Dec. 2000 | NPR Fukushima Works Co., Ltd. received QS9000 certification. |
| Sep. 2001 | Tochigi Plant received ISO9001 and QS9000 certifications. |
| Nov. 2001 | NPR Fukushima Works Co., Ltd. received ISO14001 certification. |
| Dec. 2001 | Acquired 100 percent ownership of Siam NPR Co., Ltd. in Thailand. |
| May 2002 | Tochigi Plant received ISO14001 certification. |
| Sep. 2002 | NPR Iwate Co., Ltd.'s Ichinoseki plant started partial operations. |
| Feb. 2003 | The whole domestic operations were ISO14001 certified. |
| Aug. 2004 | Established NPR Manufacturing Michigan Inc. in the U.S.A. |
| Oct. 2004 | The whole domestic operations were ISO/TS16949:2002 certified. |
| Feb. 2005 | Established NPR Auto Parts Manufacturing (Yizheng) Co., Ltd. in China. |
| Mar. 2006 | Established NPR Manufacturing Indonesia Inc. in Indonesia. |
| Apr. 2006 | Established NPR Auto Parts Manufacturing (Jiangsu) Co., Ltd. in China. |
| May 2006 | Established NPR Manufacturing Kentucky, LLC in the U.S.A. |
| Jun. 2006 | Established NPR US Holdings in the U.S.A. |
| Sep. 2007 | Signed an agreement forming a global business alliance with KS Kolbenschmidt GmbH based in Germany. |
| Jan. 2011 | Merged operations of NPR of America, LLC; NPR Manufacturing Michigan LLC; and NPR Manufacturing Kentucky, LLC into NPR US Holdings, and established NPR of America, Inc. |
| Mar. 2011 | Acquired 100 percent ownership of NPR Shimane Co., Ltd. |
| Dec. 2011 | Established NPR Auto Parts Manufacturing India Pvt. Ltd. |
| Mar. 2012 | Merged the operations of NPR Kawaguchi Works and NPR Logistics Center. |
| Jul. 2012 | Dissolved the operations of NPR Auto Parts Manufacturing (Zhenjiang) Co., Ltd. and merged them into NPR Auto Parts Manufacturing (Yizheng) Co., Ltd., which became the surviving company. |
| Dec. 2012 | Established NPR Powdered Materials Manufacturing (Yizheng) Co., Ltd. in China. |
| July 2013 | Dissolved joint venture contract with TPR for PT.NT Piston Ring Indonesia, and acquired a 100 percent ownership in PT.NT Piston Ring Indonesia. |
| Oct. 2013 | Converted NPR Powdered Materials Manufacturing (Yizheng) Co., Ltd. into a joint venture with ASIMCO Shuanghuan Piston Ring Co., Ltd. (Yizheng) (currently called ASIMCO Shuanghuan Piston Ring (Yizheng) Co., Ltd.) Changed the joint venture’s name to Yizheng NPR ASIMCO Powder Metallurgy Manufacturing Co., Ltd. |
| May 2014 | Acquired the powder metallurgic ejection-molding business from Sumitomo Metal Mining Co. |
| Oct. 2018 | Transferred some of the shares of its wholly-owned subsidiary, NPR of Europe GmbH (NPR of Europe), to Daido Metal Co., Ltd. |
Supplemental Information 1
>>>FY ended Mar. 31, 2008 Business report
>>>FY ended Mar. 31, 2009 Business report
>>>FY ended Mar. 31, 2010 Business report
>>>FY ended Mar. 31, 2011 Business report
>>>FY ended Mar. 31, 2012 Business report
>>>FY ended Mar. 31, 2013 Business report
>>>FY ended Mar. 31, 2014 Business report
>>>FY ended Mar. 31, 2015 Business report
>>>FY ended Mar. 31, 2016 Business report
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