D. I. System Co., Ltd. (TYO:4421)
Japan flag Japan · Delayed Price · Currency is JPY
917.00
-10.00 (-1.08%)
Mar 11, 2026, 10:15 AM JST

D. I. System Company Description

D. I. System Co., Ltd. engages in the system integration, and educational services and security solutions businesses in Japan.

The company offers Easy Framework 3, a low-code development platform; Easy Workflow II, a workflow system that allows for screen creation, flow settings, and multilingual support; Cornelius-Learning Management System, an e-learning system; Cornelius-LMS+ Plus, a cloud-based e-learning system; Cisco Webex, a cloud service that enables collaboration over the Internet; and Cisco Meraki, which builds a wireless environment without setup or system integration.

It also provides information system maintenance and operation; equipment maintenance extension; and targeted email training services.

In addition, the company offers Ekran, a PC screen trail management system that records screen activity on PCs scattered throughout a company; WEEDS Trace Privileged ID Management Solution; Web Performer and Web Performer Wf/Wf+; SmartZira, a paperless system; SKYSEA Client View, a client operation management software; and Syslog Watcher Appliance Tamelog.

Further, it provides system development, network and platform construction, Microsoft, enhanced security, sales/operations outsourcing, and IT education/qualification acquisition solutions, as well as stress check and telework promotion services.

D. I.

System Co., Ltd. was incorporated in 1997 and is headquartered in Chiyoda, Japan.

D. I. System Co., Ltd.
Country Japan
Founded 1997
Industry Information Technology Services
Sector Technology
Employees 739
CEO Kentaro Tomita

Contact Details

Address:
Meiji Yasuda Life Building
Chiyoda, 100-0005
Japan
Phone 81 3 6826 8001
Website di-system.co.jp

Stock Details

Ticker Symbol 4421
Exchange Tokyo Stock Exchange
Stock Type Common Stock
Fiscal Year October - September
Reporting Currency JPY
ISIN Number JP3548810005
SIC Code 7370

Key Executives

Name Position
Kentaro Tomita Chief Executive Officer
Toshio Watanabe Chief Financial Officer