| 1975 | Opened representative sales office in Cupertino, California, U.S.A. | ![]() Furukawa NDK ![]() Asian NDK Crystal (Former factory) |
| 1976 | Established Furukawa NDK Co., Ltd., in Miyagi, for mass production of crystal units | |
| 1978 | Designated as authorized manufacture by the National Space Development Agency of Japan(NASDA, now JAXA) | |
| 1979 | Established Asian NDK Crystal Sdn. Bhd., in Selangor, Malaysia, for mass production of crystal units and crystal blanks | |
| Development and industrialization of the surface acoustic wave (SAW) filter | ||
| Started mass production of optical low-pass filter | ||
| Established NDK America, Inc. in Fremont, California, U.S.A., and dissolved representative sales office |

