About us / MAP

About us

Trade name SHINKOSHA CO., LTD.
Head Office 2-4-1 Kosugaya, Sakae-ku, Yokohama, Kanagawa 247-0007 Japan
Phone: +81-45-892-2171
FAX: +81-45-892-2192
Tochigi plant 1110 Hirai-cho, Tochigi, Tochigi 328-0054 Japan
Phone: +81-282-24-2055
FAX: +81-282-24-2010
Date of establishment May 26, 1947
Description of business Production and sales of oxide single crystals (including sapphire and rutile), optical communication devices (including optical isolator and rutile prism), industrial-use optical isolator (for fiber laser), and optical fiber sensor
Subsidiaries

Rubica-Kogyo Co., Ltd.

751 Motoshin, Uozu, Toyama 937-0068 Japan
Phone: +81-765-22-0351
FAX: +81-765-22-7730

Sanshin-Sangyo Co., Ltd.

2874-1 Shiga, Suwa, Nagano 392-0012 Japan
Phone: +81-266-52-1931
FAX: +81-266-54-1323