| 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 |
| 1967 | Hitachi Komoro branch factory established Germanium transistor and the Diode production started | Hitachi Komoro branch factory established Germanium transistor and the Diode production started |
| 1977 | Hybrid IC production started | Hybrid IC production started |
| 1986 | Radio frequency module production started | Radio frequency module production started |
| 1993 | ISO9002 Certificate acquired (2002/09 ISO9001 Certificate acquired） | ISO9002 Certificate acquired (2002/09 ISO9001 Certificate acquired） |
| 1997 | PA module production started | PA module production started |
| 1997 | ISO14001 Certificate acquired | ISO14001 Certificate acquired |
| 2003 | Renesas Eastern Japan Semiconductor,Co., Ltd Nagano Device Division established | Renesas Eastern Japan Semiconductor,Co., Ltd Nagano Device Division established |
| 2005 | OHSAS18001 Certificate acquired | OHSAS18001 Certificate acquired |
| 2012 | Komoro Murata Manufacturing Co., Ltd. started by a business transfer to Murata Manufacturing Co., Ltd. | Komoro Murata Manufacturing Co., Ltd. started by a business transfer to Murata Manufacturing Co., Ltd. |
| 2012 | HF module production started | HF module production started |
| 2015 | Energy center building completed | Energy center building completed |
| 2017 | Factory building A1 completed | Factory building A1 completed |
| 2023 | Factory building A2 completed | Factory building A2 completed |
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