Office Locations
Head Office

5-68-10 Nakano, Nakano-ku, Tokyo 164-8616 KT Nakano Building MAP
Access: 7-minute walk from Nakano Station (JR Chuo Line / Tokyo Metro Tozai Line)
*No parking available
- Main:03-6840-1105


Osaka Sales Office

1-2-13 Uemachi, Chuo-ku, Osaka 540-0005 MAP
Nagoya Satellite Office
2A, Dai-ni Ishida Building, 1-9-8 Josai, Nishi-ku, Nagoya 451-0031 MAP
Mizuhodai Facility

345-1 Chikamazawa, Miyoshi-machi, Iruma-gun, Saitama 354-0043 MAP
Hidaka Distribution Center

854 Kayama, Hidaka-shi, Saitama 350-1231 MAP
Optical Business Development and Manufacturing Section

2-4-3 Mikasagawa, Onojo-shi, Fukuoka 816-0912 MAP
Taishi Factory

121 Taishi, Taishi-cho, Minamikawachi-gun, Osaka 583-0995 MAP