Asahi Kasei Email Format
Chemical ManufacturingTokio, Japan10001+ Employees
Asahi Kasei is a chemical manufacturing company headquartered in Tokyo, Japan, at 1-1-2 Yurakucho, Chiyoda-ku, Tokyo 100-0006. The group organizes its activities into three business sectors—Health Care, Homes, and Material—and traces its origins to 1922 with ammonia and cellulose fiber businesses. The company employs more than 10,000 people worldwide. In November 2025, Asahi Kasei signed a license agreement with EAS Batteries, with serial production beginning in March 2026. In May 2026 the group announced the development and launch of PSPI film for advanced semiconductor packaging.