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Notice
Notice of Change in Representative Director and President
Chihiro Yamamoto will step down as President and CEO of our company (EM Devices Corporation, Head Office: Shiroishi City, Miyagi Prefecture) effective December 31, 2025, andTakeharu Aoki will assume the role of Representative Director, President and CEO on January 1, 2026. Read the full release here
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Notice
New year vacation(Dec.27-Jan.4)
We have new year vacation from Dec. 27 – Jan. 4.In this period, the answer will be delayed though the question is accepted.Please acknowledge it.
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Notice
Notice of Changes in Shareholders and Board Members
We are excited to announce that, effective October 31, 2025, there have been changes in the shareholders and board members of EM Devices Corporation (Representative Director & President: Chihiro Yamamoto; Headquarters: Shiroishi City, Miyagi Prefecture). Outgoing Directors and Auditors Name Position Hidemi Moue Director (Outside) Katsu Harashima Director (Outside) Bunsei Kure Director (Outside) Toshikazu Ugawa […]
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News Releases
Company information update announcement
Consolidated sales, number of employees, and introduction of executives have been updated. For details, please see the company profile.
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Notice
Development of World’s Smallest “Latching” and “High Current” Relay
EM Devices Corporation (President: Chihiro Yamamoto; Headquarters: Shiroishi City, Miyagi Prefecture) has developed the world’s smallest size 40A class latching relay “EM1KT” and 60A class power relay “EM1H” in its class to expand our lineup. Product Overview EM1KT Relay Product Name EM1KT (Latching type) Dimensions / Weight 12.4×14.4×16.3mm / 8g Contact form 1U Contact rating […]
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News Releases
Launch of Sample Provision for High Voltage AC Relay “AX1-*U*” with 2,000VAC Dielectric Strength Between Open Contacts
EM Devices Corporation (President: Chihiro Yamamoto; Headquarters: Shiroishi City, Miyagi Prefecture) has developed the high voltage AC relay ‘AX1-*U*’, targeting NACS-compatible vehicle chargers and other related applications. The company began offering samples in March 2025. Product Overview High Voltage AC Relay “AX1-*U*” Product Name AX1-*W* *depends on the specifications Dimensions / Weight 15.8×21.0×20.5mm/ 16g Contact […]
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News Releases
Notice of exhibiting at “Tohoku Hokkaido Automotive Technology Exhibition and Business Meeting”
EM Devices Corporation (CEO: Tomohiro Yamamoto, Head Office: Shiroishi City, Miyagi Prefecture) will exhibit at the exhibition and business meeting to introduce and appeal to automotive-related companies in the Tokai region the excellent technical capabilities of our EV relays, aiming to create and expand business and further develop the automotive-related industry. We will explain in […]
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News Releases
Compact, Low Cost, Highest Short-Circuit withstand Performance and Shock Resistance
Now Available as Samples of “ER250”, High-Voltage DC Relay for x EVEM Devices Corporation (President: Chihiro Yamamoto, Headquarters: Shiroishi City, Miyagi Prefecture) has developed “ER250”, a high-voltage DC relay targeting high-voltage junction boxes for xEV, and will begin providing samples in November 2024. Product Overview HVDC Relay 「ER250」 Product Name ER250-***H（* depends on the specifications） Structure Air-Switching、Plastic Sealed Contact Rating 250A-450Vdc、Resistive Load Max. Cut-Off Current 1800A-450Vdc […]
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News Releases
Launch of Sample Provision for High Voltage AC Relay “AX1-W” with 1,500VAC Dielectric Strength Between Open Contacts
EM Device Corporation (President: Tomohiro Yamamoto, Headquarters: Shiroishi City, Miyagi Prefecture) has begun offering samples targeting NACS-compliant in-vehicle chargers and other devices. Product Overview High Voltage AC Relay “AX1-*W*” Product Name AX1-*W* *depends on the specifications Dimensions / Weight 15.8×21.0×20.5mm/ 16g Contact Type 1a Contact Rating 16A、32A 277VAC Coil Rated Power 1.7W Ambient Temperature: […]
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Notice
Company information update notice
Consolidated sales and number of employees have been updated, production items have been added, and company history has been added. For details, please see the company overview and detailed company history.
EM Devices Corporation
