"NK&K's optical technology supports the world's future dream come true.

We, NK&K have cultivated optical crystals and device technology with challenging spirits and creativity for a long time.
We are utilizing our technologies with our experience of "High quality CaF2 crystals" and "The only one company in the world producing from scintillator to optical device"
We were certified for ISO9002 on 1995, ISO14001 on 2006 and OHSAS18001 on 2007.
Toshihiko Saito / President and CEO
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Crystals for semiconductors and TV cameras, Scintillator and detectors for medical and security, we NK&K are providing various products and several markets.
Our motto is "Small but shining in the world".
LEADING OPTICAL TECHNOLOGY
WITH THE INFINITE
CHALLENGING SPIRIT AND CREATIVITY
To maintain the brightness and to be presence company, quick response is what we orient to receive a high reliability from the customer.
Not only to hear the customer's needs and wants but to convey the important factors, "communication" is what have we cared.
