Regular Members

Riken Seiko Co., Ltd.
Official representative
Person in charge to JTA
President Yasuaki SAWACHIKA
Home page --
e-mail --
Head Office 10F Central Bldg. 1-1-5 Kyobashi, Chuo-ku, Tokyo 104-0031 +81-3-5204-3141 +81-3-5204-3142
Factory 7402-2 Kakizaki, Kakizaki-ku, Joetsu-shi, Niigata 949-3216 +81-25-536-2231 +81-25-536-3002

Manufacturing and marketing of special steel products, Cutting tools, Machine tools, and Non-standard articls.


Specialty steel (Bearing steel, high-speed tool steel, alloy tool steel, and drawn and pol‐ished products.)
Non-standard articles, Heat treatment processes.
Cutting tools (straight shank drill bits, taper shank drill bits, and specialing drill bits.)
Machine tools (Ultra-precision CNC lathes, Precision CNC lathes, Precision lathes, ELID grinder, Glass lathe, and
Custom-made machines.)