| サムネール | 年 | 篇 | タイトル | 内容 | コメント | イメージ | ファイル |
| 1946 | Start of ceramic production in Narumi–cho, Aichi Prefecture as Narumi Seito, Sumitomo Metal Industries, Ltd. | Start of ceramic production in Narumi–cho, Aichi Prefecture as Narumi Seito, Sumitomo Metal Industries, Ltd. |
| 1950 | Separated from Sumitomo Metal Industries, Ltd., established as Narumi Seito Co., Ltd. | Separated from Sumitomo Metal Industries, Ltd., established as Narumi Seito Co., Ltd. |
| 1958 | Development, manufacture and sale of ceramics for electronics industry | Development, manufacture and sale of ceramics for electronics industry |
| 1983 | Start of development of low–temperature fired ceramics LFC | Start of development of low–temperature fired ceramics LFC |
| 1985 | The paper is presented at the Low Temperature Ceramics Society of LFCISHM (United States). | The paper is presented at the Low Temperature Ceramics Society of LFCISHM (United States). |
| 1991 | SEPARATED ELECTRONIC CERAMIC BUSINESS AND FOUNDED SUMITOMO METAL CERAMIC CO., LTD. Low temperature fired ceramics LFC German automobile manufacturer decided to use for automotive substrate | SEPARATED ELECTRONIC CERAMIC BUSINESS AND FOUNDED SUMITOMO METAL CERAMIC CO., LTD. Low temperature fired ceramics LFC German automobile manufacturer decided to use for automotive substrate |
| 1993 | Acquisition of ISO 9001 certification | Acquisition of ISO 9001 certification |
| 1996 | Company name changed to Sumitomo Metals Electrodevice Co., Ltd. Establishment of low–temperature baking substrate plating technology and start of mass production | Company name changed to Sumitomo Metals Electrodevice Co., Ltd. Establishment of low–temperature baking substrate plating technology and start of mass production |
| 1998 | SMI–ED Ogaki Ceramics Co., Ltd. is established as an LFC production plant of Sumitomo Metals Electrodevice Co., Ltd. | SMI–ED Ogaki Ceramics Co., Ltd. is established as an LFC production plant of Sumitomo Metals Electrodevice Co., Ltd. |
| 2000 | QS 9000 certification acquired | QS 9000 certification acquired |
| 2004 | Murata Manufacturing becomes the largest shareholder in SMI–ED Ogaki Ceramics Co., Ltd. SMI–ED Ogaki Ceramics Co., Ltd. became a subsidiary of Murata Manufacturing Co., Ltd. and changed its name to Ogaki Murata Manufacturing Co., Ltd. | Murata Manufacturing becomes the largest shareholder in SMI–ED Ogaki Ceramics Co., Ltd. SMI–ED Ogaki Ceramics Co., Ltd. became a subsidiary of Murata Manufacturing Co., Ltd. and changed its name to Ogaki Murata Manufacturing Co., Ltd. |
| 2005 | Acquisition of ISO 14001 certification | Acquisition of ISO 14001 certification |
| 2006 | New office building completed. | New office building completed. |
| 2013 | OHSAS18001 certification acquired | OHSAS18001 certification acquired |
| 2021 | ISO45001 certification acquired | ISO45001 certification acquired |
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