NOK Corporation
Company Profile
■URL
http://www.nok.co.jp/en/index.html
■Address
Business Overview
-An independent manufacturer of oil seals.
‐Based on actual results from the fiscal year that ended in March 2022, sales to the automotive market make up the largest amount, at 46.8% of total sales. In addition, the company delivers products for construction machinery, agricultural machinery, and electronic devices. It has a 70% share of the oil-seal market in Japan and a 50% share worldwide, according to the Company’s press release. It formed a partnership with Freudenberg in 1960, a major European oil-seal manufacturer based in Germany. This enabled the Company to create a worldwide supply chain that covers Japan, the Americas, Europe and Asia. In recent years, it has started developing products in response the trend in electrification and autonomous driving.
-It operates in three business areas: the Seal Business, Electronic-parts Business, and Others.
Shareholders
| -From April 2022, moved to the Prime Market of the Tokyo Stock Exchange. | (As of Mar. 31, 2022) |
| Name or Company Name | Investment Ratio (%) |
| Freudenberg SA | 25.11 |
| The Master Trust Bank of Japan, Ltd. (Trust Account) | 8.92 |
| 株式会社日本カストディ銀行（信託口） | 5.17 |
| Showa Estate Co., Ltd. | 5.07 |
| Dai-ichi Life Insurance Company, Ltd. | 4.62 |
| Toyota Motor Corp. | 3.93 |
| Sumitomo Mitsui Banking Corporation | 2.47 |
| 株式会社サミット経済研究所 | 1.84 |
| NOK employees stockholding | 1.79 |
| Sompo Japan Nipponkoa Insurance Inc. | 1.75 |
| Total | 60.68 |
Products
-Oil seals
-O-rings
‐Soft metals
-Seal washers
-Mechanical seals
-Lip seals
-Dust covers
-Vibration isolator and sound isolating products
-Solenoid valves
-Actuators
-Carbon bearings
-Compressor valves
-Flexible circuits
History
| Dec.1939 | Established Edogawa Seiki in Katsushika, Tokyo. |
| Oct. 1948 | Renamed as Tokyo Oil Seal Kogyo. |
| Dec. 1951 | Merged with Nippon Yushi Kogyo, and changed Company name to Nippon Oil Seal Kogyo. |
| June 1954 | Head office and plant moved to Ota, Tokyo. |
| Mar. 1960 | Formed a business tie-up with the German company Freudenberg. |
| Aug. 1960 | Built Fujisawa Works (Current Shonan Development Center) in Fujisawa, Kanagawa. |
| Sept. 1961 | Listed on the Nagoya Stock Exchange. |
| Oct. 1961 | Listed on the Tokyo Stock Exchange. |
| Oct.1961 | Transferred headquarters to Chuo-ku, Tokyo. |
| June 1963 | Established Saga Plant (currently Saga business facility) in Nakahara-cho, Saga Pref. |
| Oct. 1964 | Established a subsidiary NIHON SEAL ALL Inc. (currently Eagle Industry Co., Ltd., an affiliated company). |
| Jan. 1966 | Head office moved to the current location. |
| Aug. 1967 | Established Shizuoka Plant (currently Shizuoka business facility) in Makinohara-shi, Shizuoka Pref. |
| Apr. 1968 | Established a subsidiary, NOK-USA., Inc., currently NOK Inc., in the United States. |
| April 1968 | Established Fukushima Plant (currently Fukushima business facility) in Fukushima, Fukushima Pref. |
| April 1970 | Established Kumamoto Plant (currently Kumamoto business facility) in Asa, Kumamoto. |
| Dec. 1974 | Established Tokai Plant (currently Tokai business facility) in Kikukawa-shi Shizuoka Pref. |
| Dec. 1976 | Established NOK Cluver, a subsidiary. |
| Dec. 1978 | Established NOK Megrastic, a subsidiary. |
| Jan. 1982 | Eagle Industry Co., Ltd., an affiliated company was listed on the Tokyo Stock Exchange. |
| July 1985 | Changed name from Nippon Oil Seal Kogyo to NOK Corporation. |
| Aug. 1987 | Established Nihonmatsushi business facility in Nihonmatushi, Fukushima Pref. |
| Oct. 1988 | Established a subsidiary in Thailand, Thai N.O.K. Co., Ltd. |
| Mar. 1989 | Established NOK EG&G Optelectronics (currently NEOPT Corp.), a subsidiary. |
| July 1989 | Its U.S. subsidiary, NOK Inc., established Freudenberg NOK GP with the U.S. subsidiary of Freudenberg. |
| Aug. 1989 | Established Tsukuba Technology Research Center in Tsukuba, Ibaraki Pref. |
| Jun. 1995 | Established a subsidiary in China, Wuxi NOK-Freudenburg Co., Ltd. |
| July,1996 | Established a subsidiary, NOK Asia Co., Pte. Ltd., in Singapore. |
| Mar,2000 | Started negotiations with Freudenberg GmbH with regard to the O-ring business, focusing on marketing in response to global shared ordering. |
| Apr,2001 | Invested 1 billion yen to establish a wholly-owned subsidiary and plant in Thailand to produce HDD components. Will shift production from Japanese plants and concentrate it in this new plant, which currently produces 30% of total sales. Projected increase to 40%. |
| July 2001 | Concentrated the main oil seal business at Fukushima business facility. Transferred and integrated the Fujisawa business facility's machine tool oil seal R&D functions to the Fukushima facility. |
| Apr. 2002 | Span off a subsidiary UNIMATEC from another subsidiary Nippon Mektron, Ltd. |
| Jan. 2004 | Newly established its Tottori plant in Nambucho, Tottori Prefecture. |
| Mar. 2004 | Acquired all the shares in Hokushin Corporation and made it its subsidiary. |
| Oct. 2004 | Delisted from the Nagoya Stock Exchange. |
| Mar. 2005 | Acquired all the shares in Nitto Kogyo Corporation and made it its subsidiary. |
| Apr. 2005 | Established Shonan Development Center in Fujisawa City, Kanagawa Pref. |
| Apr. 2007 | Consolidated its subsidiaries, Hokushin Corporation and Nitto Kogyo Corporation, renaming them as a new company, Synztec Co., Ltd. |
| Apr. 2010 | Established Kitaibaraki plant in Ibaraki Pref., Japan. |
| Oct. 2013 | Split off Synztec Co., Ltd. (a subsidiary), establishing Synztec Co., Ltd. as the split-off surviving company. |
| Dec. 2018 | Newly established Tsukuba plant in Tsukuba, Ibaraki Pref., Japan. |
| Apr. 2022 | Moved from the First Section of the Tokyo Stock Exchange to the Prime Market in line with TSE’s reorganization in April 2022. |
Supplemental Information 1
Joint Venture Agreement |
(As of Mar. 31, 2022) |
| Joint venture partner | Content | Name of the joint venture company | Signed on |
| Freudenberg& Co. KG (Germany) |
A joint venture in the field of such seal products as oil seal and O-ring and related products between NOK Inc, a US subsidiary, and Freudenberg's US subsidiary | Freudenberg NOK GP | Mar. 23, 1989 |
NOK Corporation
>>>FY ended Mar. 31, 2008 Business report
>>>FY ended Mar. 31, 2009 Business report
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>>>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
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>>>FY ended Mar. 31, 2017 Business report
>>>FY ended Mar. 31, 2018 Business report
>>>FY ended Mar. 31, 2019 Business report
>>>FY ended Mar. 31, 2020 Business report
>>>FY ended Mar. 31, 2021 Business report
Archives of Past Exhibits
NOK-Freudenberg Group China
>>>Business Report up until FY ended Dec. 2013
>>>Business Report up until FY ended Dec. 2015
Note: A figure in brackets ( ) indicates a loss