GREETING
Message from the Representative
Thank you very much for your continued support.
Since our founding, we have been guided by our philosophy of “realizing connected comfort through technology,” and have built a solid track record in IoT solutions and system integration.
Our flagship products—such as “SMART SHUTTER” and “MOBILITY”—have been highly praised by companies and local governments in Japan and overseas for their security, usability, and scalability.
Furthermore, in fiscal year 2025, we launched our new mission under the name “SEAMLESS TECHNOLOGY,” evolving into an integrated IoT platform that connects people’s lives and businesses.
We began with just three engineers. Driven by our spirit of “never overlooking even small inconveniences,” we repeatedly conducted proof-of-concept experiments and continuous improvements to transform the norms of offices and homes. As a result, we have established a one-stop system covering everything from in-house development to design and sales, and have grown into a company that supports sustainable social infrastructure.
The essence of technology is to better connect people and society.
We will propose smart lives and smart businesses for the next era—based not only on convenience, but also on security, sustainability, and comfort.
As a company that continues to grow together with our customers and local communities, all of our employees will work as one to take on new challenges.
We sincerely appreciate your continued support.
Seamless Technology Co., Ltd.
President & CEO: Mitsuhiro Iida
HISTORY
| April 1995: | Established System Design Co., Ltd. |
|---|---|
| July 1996: | Developed the "Aero Printer," a wireless printer sharing device, and supplied it as an OEM. |
| November 1996: | Successfully implemented electronic control of weight training equipment. |
| July 1997: | Developed a battery-free RS232C data memory. |
| November 1998: | Developed a DNC system for machine tool processing data communication. |
| July 1999: | Received an order for a point card communication and calculation system. |
| January 2000: | Developed a Bluetooth baseband from scratch. |
| September 2006: | Developed an RFID module and the world's smallest R/W unit. |
| March 2008: | Developed an i-mode automatic site guidance device using RFID. |
| February 2012: | Announced acoustic communication between smartphones. |
| November 2012: | Announced a two-way communication module for iPhone. |
| April 2013: | Filed for a patent for a hybrid method using magnetic fields. |
| April 2013: | Patent application filed for magnetic field hybrid method |
| January 2014: | Received an order for a wireless network system in Wuxi, China. |
|---|---|
| October 2016: | Developed the world's smallest 100W AC adapter (presented at a conference). |
| April 2018: | Launched an electric shutter-related business. |
| October 2019: | Established Seamless Technology Co., Ltd., a sales subsidiary. |
| April 2020: | Launched online sales on Amazon and Yahoo! Shopping. |
| September 2020: | Launched sales of automotive smart keys. |
| February 2025: | Jointly established JSC Corporation, a car security company, with three companies. |
| August 2025: | Launched alcohol interlock products. |
PROFILE
Company Information
| **Company Name:** | Seamless Technology Co., Ltd. |
|---|---|
| **Head Office (Sales & Customer Support):** | 2F Silk Center, 1 Yamashita-cho, Naka-ku, Yokohama, Kanagawa 231-0023, Japan |
| **Branch Office (Hardware & Software Development):** | 3-1805 Itagaki, Fukui, Fukui 918-8104, Japan |
| *Branch Office (Software & Web Development):** | 1-9-20 Sui, Minami-ku, Hiroshima, Hiroshima 734-0005, Japan |
| **Representative Director:** | Mitsuhiro Iida |
| **Established:** | October 15, 2019 |
| **Capital:** | JPY 9 million |
| **Business Description:** | Manufacture, sales, and mail-order sales of IoT devices and internet-connected devices |
**Head Office (Sales & Customer Support):**
2F Silk Center, 1 Yamashita-cho, Naka-ku, Yokohama, Kanagawa 231-0023, Japan
**Branch Office (Hardware & Software Development):**
3-1805 Itagaki, Fukui, Fukui 918-8104, Japan
