| Company name | Happo-one Kaihatsu Co., Ltd. |
|---|---|
| CEO | Yasuo Kurata |
| Office | 5713 Hokujo Hakuba-mura, Kita Azumino-gun, Nagano, 399-9301 Japan Phone: +81 261 72 2715 / FAX: +81 261 72 6310 |
| Established | 9th December in 1960 |
| Address | Nagano Prefecture Governor Registration Number 2-578 |