R&D center
| Description | Address | Telephone |
|---|---|---|
| Head Office Area |
JR Kanda Manseibashi Bldg., 1-25 Kandasuda-cho, Chiyoda-ku, Tokyo, 101-0041, Japan |
03-6853-7300 |
| Chita Area |
|
0569-25-0761 |
| Chiba Area |
|
0436-42-8122 |