Company Profile


We, Asahi Kasei Microdevices (AKM) offer a variety of advanced sensing devices based on compound semiconductor technology and sophisticated IC products featuring analog/digital mixed-signal technology.

Company Profile

(as of June 01, 2020)

Trade name Asahi Kasei Microdevices Corporation
Home office Hibiya Mitsui Tower 1-1-2 Yurakucho, Chiyoda-ku, Tokyo 100-0006 Japan
President Eiji Honda
Paid-in capital JPY 3,271 million
Main businesses Hall elements, ICs
Main Affiliates 【Japan】
Asahi Kasei Technosystem Co., Ltd.
AKM Technology Corporation
Asahi Kasei Electronics Co., Ltd.
Asahi Kasei Microsystems Co., Ltd.
AKM Semiconductor, Inc.
Asahi Kasei Microdevices Europe GmbH
Asahi Kasei Microdevices Korea Corporation
Asahi Kasei Microdevices (Shanghai) Co., Ltd.
Asahi Kasei Microdevices Taiwan Corporation
Senseair AB


Access from the nearest stations

Hibiya subway station: direct passage
Yurakucho subway station: 4 min. on foot
Ginza subway station: 5 min. on foot
JR Yurakucho station: 5 min. on foot


1980 Miyazaki Electronics Co., Ltd founded as a subsidiary of Asahi Kasei Corporation, started hall sensor business
1982 Miyazaki Electronics renamed to Asahi Kasei Electrionics ("AKE")
1983 Asahi Kasei founded Asahi Microsystems as a 50:50 JV with AMI, started IC business
1984 Established LSI Design Center
1986 Turned Asahi Microsystems to a 100% subsidiary of Asahi Kasei Corp, renamed to Asahi Kasei Microsystems ("AKM")
AKE Fuji fabrication facility started its operation
1993 AKM Nobeoka wafer fabrication facility started its operation
1995 Established AKM Semiconductor Inc. (San Jose, USA)
1996 Opened a office in Europe
2002 Established Asahi Kasei Technosystem, started system business
2003 Established Asahi Kasei EMD Corp by transfering electronics business of Asahi Kasei Corp
2004 Opened a office at Shanghai, China
2006 AKE Fuji fabrication facility (fab3) started its operation
Opened Miyazaki Design Center (Established AKM Kyusyu)
2007 AKE and AKM integrated business with Asahi Kasei EMD Corp
Opened a office at Seoul, Korea
2008 Establiched a local subsidiary in China (Shanghai, China)
2009 Transferred electronics material business to Asahi Kasei e-Materials, renamed Asahi Kasei Microdevices Corporation ("AKM")
Established a local subsidiary in Taiwan (Taipei, Taiwan)
2016 Established a local subsidiary in Germany (Dusseldorf, Germany)
2018 Acquisition of Senseair