Since its establishment in 1970, our company has continued to grow with the support of many customers.
Establishment of Diamond Computer Service Co., Ltd.
Establishment of DCS Business Co., Ltd.
Establishment of Tohoku DCS Co., Ltd.
Establishment of Chiba Information Center
Establishment of DCS Tech Co., Ltd.
Establishment of DCS Business Partner Co., Ltd.
Establishment of Joint Venture Diamond Fuji Soft Co., Ltd.
Establishment of Joint Venture Japan Card Processing Co., Ltd.
Establishment of Japan's first SWIFT Service Bureau
Since 2004, as a core company of the Mitsubishi Research Institute (MRI) Group, we aim to contribute to solving customers' and society's challenges through IT implementation, from think tank and consulting.
Since 2004, as a core company of the Mitsubishi Research Institute (MRI) Group, we aim to contribute to solving customer and societal challenges through think tank consulting and IT implementation.
Establishment of Joint Venture MRI Value Consulting Co., Ltd.
Change from FY36 (FY 2005) to September fiscal year
Established the local subsidiary 'Dihsi Information Technology (Shanghai) Co., Ltd.' in Shanghai, China.
Established the local subsidiary 'MRIDCS Americas, Inc.' in the United States.
Established HR Solution DCS Co., Ltd.
50th anniversary of founding.
Mitsubishi Research Institute DCS exhibited at the "Snowflake World Tour Tokyo 2026" held from September 10 to 11, and on the second day, Executive Officer Technology Officer Ohara delivered a lecture on practical approaches to data utilization. The note article introduces the latest trends in data utilization and AI, as well as the direction of the company's data and AI business, through coverage of the event day and an interview with Snowflake.
Mitsubishi Research Institute DCS achieved the highest maturity level 5 in CMMI-DEV, which evaluates the capability and process maturity of software development organizations. Since the first achievement in 2017, it has been obtained four consecutive times. The company has been engaged in quality improvement activities since 2007 and has been conducting continuous CMMI assessments since 2008.
Mitsubishi Research Institute DCS has begun providing KDDI's enterprise cloud service 'KDDI Cloud Platform Service (KCPS)'. In addition to AWS, Microsoft Azure, and Sakura Cloud, it now handles KCPS, expanding its ability to propose domestic and overseas cloud services tailored to customer requirements.
Mitsubishi Research Institute DCS and Nishinippon Institute of Technology have signed a comprehensive partnership agreement to collaborate and cooperate in education and human resource development, academic research, and the promotion of regional industry. The two parties aim to jointly advance practical educational activities, including project-based learning (PBL), and develop talent capable of addressing challenges faced by local communities and businesses.
Mitsubishi Research Institute DCS holds a “Family Day” to express gratitude to employees and their families, and continues to organize workplace blood drives as a social contribution activity. A note article shares what these activities are like and the thoughts behind them, highlighting their shared value of “caring for people.”
Mitsubishi Research Institute DCS introduced a new article on its Tech Blog: “Why Don’t Management’s Intentions Reach the Front Lines? — Digital Transformation in Small and Medium-Sized Businesses and the Human Factor.” It examines, from the perspective of people, why the introduction of digital transformation and AI often goes unused on the front lines and fails to produce results, and discusses the receptiveness and change management needed for transformation, as well as practical examples from the field.
In July 2026, a robot programming workshop for elementary and junior high school students was held as part of the “Tokyo Children’s Creative Lab (Kurilabo),” promoted by the Tokyo Metropolitan Government. Mitsubishi Research Institute DCS and Living Robot Co., Ltd. helped plan and run the workshop, with employees from both companies serving as instructors. The workshop received about 300 applications for 20 places. The note article introducing the event describes the hands-on experience, the people involved and the thoughts they put into the initiative, as well as their approach to supporting education.
Mitsubishi Research Institute DCS has published a report on a research initiative in which its employees joined the “IBM Knowledge Mall Study Group” and worked with members from other industries to combat fraud. The report introduces the concepts and processes involved in solving social challenges through technology, including the use of AI to detect fraud and the consideration of public awareness initiatives. The participating group received the top award in the study group’s social challenges category.
Mitsubishi Research Institute DCS introduces a new article on note. Internal audit is viewed as an activity that supports the healthy growth of the company, and we interview Audit Department Head Takekuni on his views on internal audit, team building, and future prospects. Takekuni's paper was published as an outstanding paper in an internal audit specialty journal.
An employee of Mitsubishi Research Institute DCS has published a Tech blog post explaining the importance of critical thinking, drawing on practical experience using generative AI and designing prompts. The post presents examples of prompts used for environmental analysis and hypothesis development, and explains how to use AI as a partner that deepens thinking rather than as a substitute for it.