| Contact |
- Ibaraki Office
- 1-1, Saiwai-cho 3-chome, Hitachi-shi, Ibaraki 317-8511, Japan
- Tokyo Office
- 21F Akihabara UDX Building, 14-1, Soto-Kanda 4-chome, Chiyoda-ku, Tokyo, 101-8010 Japan
- Hitachi Family Education Center
- 4-20, Nishinarisawa-cho 2-chome, Hitachi-shi, Ibaraki 316-0032, Japan
- Hitachi Family Education Research Institute
- 27-6, Gumizawa 1-chome, Totsuka-ku, Yokohama-shi, Kanagawa 245-0061, Japan
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