Asahi Kasei Microdevices
Corporate Profile
We provide devices and functions that are essential for the manufacturing processes and final products of our customers, through our innovative development, design, and production technology coupled with a robust marketing network. We will continue to build on our established presence to maintain industry leadership in the electronics field.
| Trade name | Asahi Kasei Microdevices Corp. |
|---|---|
| Main businesses | Hall elements, LSIs |
| Home office | Hibiya Mitsui Tower, 1-1-2 Yurakucho, Chiyoda-ku, Tokyo 100-0006 Japan |
| President | Hideyuki Shinomiya |
| Paid-in capital | ¥3,171 million |
| Shareholder | Asahi Kasei Corp. |
| Phone | +81-(0)3-6699-3933 |
(as of April 1, 2023)
Officers
| Hideyuki Shinomiya | President & Representative Director, Presidential Executive Officer |
|---|---|
| Naoyuki Kurita | Director, Senior Executive Officer |
| Hideyuki Yamagishi | Director |
| Satoshi Takehara | Executive Officer |
| Yoshihiko Shibata | Corporate Auditor |
(as of June 19, 2025)
Major Subsidiaries and Affiliates
US
| AKM Semiconductor, Inc. | Sale of LSIs +1-408-436-8580 |
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Germany
| Asahi Kasei Microdevices Europe GmbH | Electronic devices marketing and technical support +49-(0)211-2806610 |
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Sweden
| Senseair AB | Provision of sensing solutions; development, manufacture, and sale of gas sensor modules +46-653-71-77-70 |
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Shanghai
| Asahi Kasei Microdevices (Shanghai) Co., Ltd. | Electronic devices marketing and technical support +86-(0)21-6391-5500 |
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Korea
| Asahi Kasei Microdevices Korea Corp. | Electronic devices marketing and technical support +82-(0)2-3775-0990 |
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Japan
| Asahi Kasei Electronics Co., Ltd. | Hall elements +81-(0)3-6699-3933 |
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| Asahi Kasei Microsystems Co., Ltd. | LSIs +81-(0)3-6699-3933 |
| Asahi Kasei Technosystem Co., Ltd. | Oil leak detectors and other industrial systems |