AKM Semiconductor, Inc.

AKM Semiconductor, Inc.

AKM Semiconductor is a wholly owned subsidiary of Asahi Kasei Microdevices (AKM), Tokyo, Japan. AKMS, located in San Jose, California offers sales, marketing, and design support for North American customers. AKM designs and manufactures CMOS mixed signal integrated circuits for applications including audio, multimedia, data storage, and telecommunications. 



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 Released Fine Pattern Coil products, established Fine Pattern Product Div. 
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
1987  AKM Atsugi wafer 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
    Acquired Al-Aid Coporation
2008  Establiched a local subsidiary in Europe (Paris, France)
    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 Asahi Kasei Toko Power Devices Corporation ("ATPD"), started Power Management IC business in earnest
    Established a local subsidiary in Taiwan (Taipei, Taiwan)
    Opened Sendai Design Center (AKM Kyusyu renamed to AKM Technology)
2011  Reorganized Power Management IC business (ATPD renamed to Asahi Kasei Power Devices Corporation("AKPD")) 


AKM Offices







 Asahi Kasei Microdevices Corp.


 (Sales Administration Dept.) 

 1-105 Kanda Jinbocho, Chiyoda-ku,

 Tokyo 101-8101, Japan

 TEL: +81-3-3296-3941






 (East Japan (Sales Dept.1)) 


 (West Japan (Sales Dept.2)) 


 (Central Japan (Sales Dept.2))

 1-105 Kanda Jinbocho, Chiyoda-ku,


 3-3-23 Nakanoshima, Kita-ku,


 1-12-14 Kanayama, Naka-ku, Nagoya

 Tokyo 101-8101, Japan


 Osaka 530-0004, Japan


 Aichi 460-0022, Japan

 TEL: +81-3-3296-3970


 TEL: +81-6-7636-3133


 TEL: +81-52-350-3270











 AKM Semiconductor, Inc.


 Asahi Kasei Microdevices Europe SAS



 1731 Technology Drive Suite 500


 105 rue Anatole France,



 San Jose, CA 95110, U.S.A.


 92300 Levallois-Perret, France 



 TEL: +1-408-436-8580


 TEL: +33-1-4089 1240













 Asahi Kasei Microdevices Korea Corp.


 Asahi Kasei Microdevices (Shanghai) Co., Ltd.


 Asahi Kasei Microdevices Taiwan Corp.

 22F, One IFC, 10, Gookjegeumyoong-Ro Yeouido-Dong,


 8/F, One ICC, Shanghai International Commerce Centre,


 Rm. B, 3F., No.39, Sec. 2, Dunhua S. Rd., Da’an Dist.,

 Yeongdeungpo-Gu, Seoul 150-945, Korea


 No.999 Huai Hai Zhong Road, Shanghai P.C.200031, China


 Taipei City 10681, Taiwan (R.O.C.) 

 TEL: +82-2-3775-0990


 TEL: +86-21-6391-5500


 TEL: +886-2-2706-2558