| Typ | Manufacturer |
|---|---|
| Webseite | https://www.murata.com/ja-jp/group/tokyodenpa |
| Adresse | Yubinbango143-0015 Ota-ku, Tokyo Omorinishi 1-12-18 |
Founded in 1934, started production of the crystal oscillator, the TEW, house manufacturing an artificial crystal in 1977. Successful commercialization of platinum furnace in 1994, and establish a mass production technology of artificial crystal having few crystal defects extremely.