Our HQ (SIGMAKOKI)

Trading name SIGMAKOKI CO.,LTD.  (Website)
Established April 1977
Listing Tokyo Stock Exchange JASDAQ
Paid-in capital ¥2,623 million
Facilites Head Office / Hidaka Plant
17-2, Shimotakahagi-shinden, Hidaka-shi, Saitama 350-1297 TEL: +81-42-985-6221 / FAX: +81-42-985-6561
Tokyo Head Office
5F, SIGMA KOKI Tokyo Head office 1-19-9,Midori, Sumida-ku, Tokyo, 130-0021, JAPAN
TEL: +81-3-5638-8228 / FAX: +81-3-5638-6550
E-mail: [email protected]
Osaka Branch
6F,TAIYO center building,4-9-28Nishi-Nakajima,Yodogawa-ku,Osaka 532-0011 TEL: +81-6-6307-4835 / FAX: +81-6-6307-4834
Kyushu Sales Office
3-17 Hie-machi,Hakata-ku,Fukuoka 812-0014 TEL: +81-92-481-4300 / FAX: +81-92-481-4310
Noto Plant
61-2 Wakabadai, Shika-machi, Hakui-gun, Ishikawa 925-0375 TEL: +81-767-38-1114 / FAX: +81-767-38-1651
Technology Center
1-1 Yatsukaho,Hakusan-shi, Ishikawa 924-0838 TEL: +81-76-274-6100 / FAX: +81-76-274-6103
Representative President & CEO Yosuke Kondo
Employees 366 (as of May 31, 2021)
Manufacturing equipment Machining center, Wire electric discharge machine Grinding machine, NC mold polisher,NC lathe,Five-axis bridge type CNC machining center,NC engraver, Surface generator,Polishing machine (Lenses, Prisms, Laser crystals)Lapping machine, Optical coatingmachine,Precision slicing machine
Testing and measuring equipment Zygo laser interferometer, Fujinon laser interferometer, Spectrophotometer, Cavity Ring-Down, AFM(Atomic Force Microscope), Autocollimator, Focal length measuring device, Laser interferometric measurement equipment, Hardness meter, 3D measuring device
Affiliates OptoSigma Corporation OptoSigma Europe S.A.S. Shanghai Sigma Koki Co.,Ltd. OptoSigma Southeast Asia Pte. Ltd. TAC COAT CO.,Ltd.
Company activities Opto-Mechanics / Manual Stages & Holders (Over 3,400 types)
Stages, Holders, Bases, Rods, Poles, Clamps, Cage systems Stages, etc.
Optics / Coating Products (Over10,000 types)
Multi-Element Optics, Mirrors, Beam splitters, Filter, Lenses, Prisms, Polarizers,Laser crystals, Nonlinear crystals, Substrates, Windows, etc.
Motion Control Application Systems (Over 350 types)
Automatic positioning devices, Optical measurement devices, Software for positioning and measurement
Laser System Products
Optical modules、Lens units、Laser processing systems, Laser application system products, etc.
Bio-Medical Related Products
Microabration systems, motorized stage system for microscope, Core Unit for Microscopy, Bio and medical devices, etc.
Optical Application System Products
Optical Fiber Alignment Systems, Optical systems for Observation, Contracted & Custom-made products