Always Committed to Originality
Providing trust with our products & services
About JustSystems
JustSystems Corporation was founded in 1979. At a time when personal computers were not yet an integral part of daily life in Japan, and it wasn’t even possible to input Japanese text, the ATOK* Japanese language input system ushered in a new culture of “Kana-Kanji conversion using the space bar.”
More than 30 years on, and backed by dependable technological prowess in natural language processing technologies and other fields, JustSystems continues to deliver dozens of products and services to customers in a diverse range of industries and fields.
ATOK: Advanced Technology Of Kana-Kanji transfer
Business Outline
The scope of our business activities extends beyond the consumer space. JustSystems provides a wide range of services and solutions to a broad range of clients from private sector companies to educational and government institutions.

For Public and Medical Institutions

For Education
(school-based and
home-based learning)

For Enterprise

For Individuals
- 1: For Individuals
- We provide a range of products and services for individual customers, including Japanese word processing software and Japanese language input software.
- 2: For Public and Medical Institutions
- We develop and provide solutions that address needs in specific areas, such as the creation of official documents by government offices and local municipalities, or the inputting of electronic medical records at hospitals.
- 3: For Education (School-based and home-based learning)
- We offer learning support software for elementary and junior high schools, e-learning services that let elementary and junior high school students study at home with a tablet, and more.
- 4: For Enterprise Business
- For the private sector, we offer various solutions providing a flexible response to business growth and changing operating environments.
Main Products and Services
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ATOK
ATOK, which stands for “Advanced Technology Of Kana-Kanji transfer,” is a Japanese language input system that allows Japanese text to be input and converted with ease.
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SMILE ZEMI
SMILE ZEMI is a tablet-based e-learning solution. SMILE ZEMI makes full use of the unique benefits of tablets to support home-based learning.
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Actionista
Actionista! is a business intelligence (BI) tool that collates, analyzes and visualizes the various business-related data at high-speed, offering powerful support to decision-making at companies.
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