Asahi Kasei Corporation
Diversified Chemicals + Photonics from Tokyo since 1931 — Mutter of Crystal IS (UVC-LEDs).
About the company
Asahi Kasei Corporation is a Japanese diversified chemicals conglomerate (TSE Prime), founded 21 May 1931. UV-relevant: parent of Crystal IS Inc. (US subsidiary in Green Island NY, acquired 2011, UV-C LED specialist with the Klaran/Optan brands). In March 2026, Asahi Kasei announced a phase-out of UV-C LED device production at Crystal IS (AlN-substrate development continues). Beyond UV: a broad diversified chemicals portfolio (materials, health care, electronics, housing). HQ in Hibiya Mitsui Tower (Tokyo Midtown Hibiya), Yurakucho, Chiyoda-ku, Tokyo. 50,352 consolidated employees (March 2025), capital 103,389 million yen.
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Connections
- Parent of: Crystal IS, Inc.