2023- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
2023
| Nov.24,2023 | New Products page update | ||
| Nov.14,2023 | Financial Information update |  319KB |
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| Oct.02,2023 | NPR-RIKEN CORPORATION website has been opened. (website link) | ||
| Sep.01,2023 | Notice Regarding Approval of Listing on the Tokyo Stock Exchange of NPR-RIKEN CORPORATION | 140KB |
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| Aug.10,2023 | Financial Information update | 73KB |
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| Jun.09,2023 | Notice regarding partial correction of “notice of convocation of the 129th annual general meeting of shareholders” | 87KB |
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| Jun.01,2023 | Notice of Convocation of the 129th Annual General Meeting of Shareholders | 1.6MB |
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| May.23,2023 | Conclusion of Final Agreement Concerning the Consolidation by Nippon Piston Ring Co., Ltd. and Riken Corporation through Establishment of a Joint Holding Company by Means of Share Transfer | 190KB |
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| May.23,2023 | (Reference) Conclusion of Final Agreement Regarding the Consolidation through Establishment of a Joint Holding Company | 1.33MB |
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| May.12,2023 | Financial Information update | 425*KB |
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| Feb.10,2023 | Financial Information update | 70KB |
2022
| Nov.28,2022 | Notice Regarding the Schedule for the Consolidation of Nippon Piston Ring Co., Ltd. And Riken Corporation | 87KB |
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| Nov.11,2022 | Financial Information update | 283KB |
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| Aug.10,2022 | Financial Information update | 69KB |
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| Jul.27,2022 | Conclusion of a Memorandum of Understanding concerning Consolidation through the establishment of a joint holding company (stock transfer) between Nippon Piston Ring Co., Ltd. and Riken Corporation | 165KB |
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| Jul.19,2022 | FY3/2022 Financial Results Briefing | 1.92MB |
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| Jun.06,2022 | Notice of Convocation of the 128th Annual General Meeting of Shareholders | 173KB |
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| May 13,2022 | Financial Information update | 123KB |
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| Feb.09,2022 | Financial Information update | 95KB |
2021
| Nov.12,2021 | Financial Information update | 94KB |
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| Aug.06,2021 | Financial Information update | 94KB |
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| Jun.03,2021 | Notice of Convocation of the 127th Annual General Meeting of Shareholder | 227KB |
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| May.14,2021 | Financial Information update | 121KB |
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| Feb.10,2021 | Financial Information update | 106KB |
2020
| Nov.13,2020 | Financial Information update | 94KB |
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| Oct.01,2020 | Company Information update | ||
| Aug.07,2020 | Financial Information update | 94KB |
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| Jun.08,2020 | Notice of Convocation of the 126th Annual General Meeting of Shareholder | 959KB |
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| May.20,2020 | Financial Information update | 119KB |
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| Feb.12,2020 | Financial Information update | 106KB |
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| Jan.06,2020 | Message from the President (Corporation Information Investor Relations) |
2019
| Nov.13,2019 | Financial Information update | 94KB |
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| Aug.09,2019 | Financial Information update | 106KB |
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| Jun.04,2019 | Notice of Convocation of the 125th Annual General Meeting of Shareholders | 321KB |
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| May.10,2019 | Financial Information update | 92KB |
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| Feb.13,2019 | Financial Information update | 86KB |
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| Jan.11,2019 | Message from the President (Corporation Information Investor Relations) |
2018
| Nov.09,2018 | Financial Information update | 422KB |
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| Aug.08,2018 | Financial Information update | 418KB |
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| Jun.06,2018 | Notice of Convocation of the 124th Annual General Meeting of Shareholders | 192KB |
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| May.11,2018 | Financial Information update | 417KB |
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| Feb.09,2018 | Financial Information update | 419KB |
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| Jan.09,2018 | Message from the President (Corporation Information Investor Relations) |
2017
| Nov.08,2017 | Financial Information update | 403KB |
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| Aug.09,2017 | Financial Information update | 418KB |
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| Jun.29,2017 | Corporate Information update | ||
| Jun.07,2017 | Notice of Convocation of the 123rd Annual General Meeting of Shareholders | 318KB |
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| May.12,2017 | Financial Information update | 433KB |
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| Feb.10,2017 | Financial Information update | 420KB |
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| Jan.23,2017 | Message from the President (Corporation Information Investor Relations) |
2016
| Nov.08,2016 | Financial Information update | 420KB |
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| Aug.09,2016 | Financial Information update | 419KB |
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| Jun.29,2016 | Corporate Information update | ||
| May.13,2016 | Financial Information update | 433KB |
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| Feb.09,2016 | Financial Information update | 421KB |
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| Jan.06,2016 | New Year's Message from the President (Corporation Information Investor Relations) |
2015
| Nov.09,2015 | Financial Information update | 420KB |
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| Aug.07,2015 | Financial Information update | 419KB |
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| Jun.25,2015 | Corporate Information update | ||
| Jun.25,2015 | Financial Information update | 95KB |
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| May.08,2015 | Financial Information update | 433KB |
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| Mar.03,2015 | Product Information update (MIM, Dental implant) | ||
| Feb.06,2015 | Financial Information update | 419KB |
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| Jan.05,2015 | New Year's Message from the President |
2014
| Dec.19,2014 | Renewed NPR Website | ||
| Nov.07,2014 | Financial Information update | 419KB |
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| Aug.08,2014 | Financial Information update | 419KB |
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| Jun.27,2014 | Corporate Information update | ||
| May.09,2014 | Corporate Information update | 433KB |
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| Feb.07,2014 | Financial Information update | 404KB |
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| Jan.06,2014 | New Year's Message from the President |
2013
| Nov.11,2013 | Financial Information update | 403KB |
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| Aug.09,2013 | Financial Information update | 403KB |
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| Jun.27,2013 | Corporate Information update | ||
| May.10,2013 | Financial Information update | ||
| Feb.12,2013 | Financial Information update | ||
| Jan.02,2013 | New Year's Message from the President |
2012
| Nov.09,2012 | Financial Information update | ||
| Aug.10,2012 | Financial Information update | ||
| Jun.28,2012 | Corporate Information update | ||
| May.11,2012 | Financial Information update | ||
| Feb.09,2012 | Financial Information update | ||
| Jan.02,2012 | New Year's Message from the President |
:Sorry,only in Japanese.
2011
| Nov.10,2011 | Financial Information update | ||
| Aug.09,2011 | Financial Information update | ||
| Jun.29,2011 | Corporate Information update | ||
| May.12,2011 | Financial Information update | ||
| Feb.10,2011 | Financial Information update | ||
| Jan.2,2011 | New Year's Message from the President |
:Sorry,only in Japanese.
2010
| Nov.10,2010 | Financial Information update | ||
| Aug.10,2010 | Financial Information update | ||
| Jun.29,2010 | Corporate Information update | ||
| May.14,2010 | Financial Information update | ||
| Feb.9,2010 | Financial Information update | ||
| Jan.2,2010 | New Year's Message from the President |
:Sorry,only in Japanese.
2009
| Nov.10,2009 | Financial Information update | ||
| Jul.30,2009 | Financial Information update | ||
| Jun.26,2009 | President's Greeting | ||
| Jun.26,2009 | Corporate Information update | ||
| May.15,2009 | Financial Information update | ||
| Jan.30,2009 | Financial Information update | ||
| Jan.2,2009 | New Year's Message from the President |
:Sorry,only in Japanese.
2008
| Oct.30,2008 | Financial Information update | ||
| Jul.30,2008 | Financial Information update | ||
| Jun.30,2008 | Corporate Information update | ||
| May.15,2008 | Financial Information update | ||
| Feb.8,2008 | Financial Information update | ||
| Jan.2,2008 | Financial Information update |
:Sorry,only in Japanese.
2007
| Nov.14,2007 | Financial Information update | ||
| Sep.11,2007 | Global Cooperation with KS Kolbenschmidt GmbH("KS") | 6KB |
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| Aug.3,2007 | Financial Information update | ||
| Jul.31,2007 | Corporate Information update | ||
| May.16,2007 | Financial Information update | ||
| Feb.8,2007 | Financial Information update | ||
| Jan.9,2007 | New Year's Message from the President |
:Sorry,only in Japanese.
2006
| Nov.21,2006 | Financial Information update | ||
| Sep.1,2006 | Information to establish piston ring manufacture company in Indonesia | 5KB |
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| Sep.1,2006 | Information of the piston ring manufacture company establishment in North America | 6KB |
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| Sep.1,2006 | Information of the valve seat insert manufacture company establishment in China | 6KB |
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| Sep.1,2006 | Renewed NPR Homepage |
:Sorry,only in Japanese.
