
Mitsui Kinzoku Limited
MMSMY | OTC
$12.87
+$0.26 (+2.06%)
Nov 2, 2026, 10:36 AM ET · Market open
Company Profile
Mitsui Kinzoku Co., Ltd. operates as a key manufacturer and supplier of functional materials, electronic materials, and components for the automotive sector. The company structures its operations across four primary divisions: Engineered Materials, Metals, Automotive Parts and Components, and Affiliates Coordination. The Engineered Materials segment is responsible for producing battery-related substances, catalysts designed for exhaust gas purification, specialized functional powders, copper foil, and various ceramic goods. The Metals division deals with the provision of base and precious metals like zinc, lead, copper, gold, and silver, alongside engaging in resource recycling activities. Within the Automotive Parts and Components division, the core focus is on the production and distribution of door locks for vehicles. Lastly, the Affiliates Coordination division oversees products stemming from die casting, powder metallurgy, copper, and pearlite. Mitsui Kinzoku, which was founded in September 1874, has its corporate headquarters situated in Tokyo, Japan.
Key Executives
| Name | Position |
|---|---|
| Akiko Sugimoto | Executive Officer & GM of Human Resources Dept. |
| Katsumi Shiraishi | General Manager of Corporate Communications Department |
| Kawahara Makoto | Senior Executive Officer & Senior GM of Technology Sector |
| Keiji Fujimoto | IR Manager |
| Kiyotaka Yasuda | Senior Executive Officer & Senior GM of Business Creation Sector |
| Kota Hagiwara | GM of ICT & Corporate Planning Sector |
| Makoto Miyaji | Chief Environmental, Health & Safety Officer |
| Masato Okabe | Sr. MD, Senior Managing Executive Officer, Senior GM of Engineered Materials Sector & Director |
| Saito Osamu | Senior Executive Officer & Head of Metals Sector |
| Seiichiro Yoshimoto | SEO, SGM of Corporate Plan. & Control Sector, Executive Officer, GM of Accounting Dept. & Director |
| Seiji Ikenobu | President & Representative Director |
| Takuya Yamamoto | Operating Officer |
Mitsui Kinzoku Limited

| Country | Japan |
| IPO Date | Dec 19, 2014 |
| Industry | Other Precious Metals |
| Sector | Basic Materials |
| Employees | 8,188 |
| CEO | Seiji Ikenobu |
Contact Details
Gate City Ohsaki, West Tower Tokyo,
TY 141-8584 Japan
Stock Details
| Ticker Symbol | MMSMY |
| Exchange | OTC |
| Fiscal Year | n/a |
| Reporting Currency | USD |
| CIK Code | n/a |
| CUSIP Number | 606844207 |
| ISIN Number | US6068442077 |
| SIC Code | n/a |
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