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| News Release |
May 2008 |
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| 1948 | Developed the first Hearing Aid “H-501” in Japan and started its manufacture and sale. |  |
| 1979 | Established Rion Electronic Industries Co., Ltd. In Taiwan, R.O.C. | |
| 1984 | World’s first waterproof hearing aid “HB-35” marketed. |  |
| 1994 | World’s first digitally programmed hearing aid “HD-10” marketed. |  |
| 2005 | World's first custom-made waterproof digital hearing aid “HI-G4WE” marketed in Japan. |  |
| 2008 | The most advanced digital hearing aid series, “Rionet RUHQ” marketed in Japan. |  |