Ichitaro Day

What Is Ichitaro Day?

August 28 marks "Ichitaro Day," established in 2010 by JustSystems Corporation, the developer of the Japanese word-processing software "Ichitaro." The day is also recognized by the Japan Anniversary Association.

Celebrating a Pioneer of Japanese Word Processing

Ichitaro was released on August 28, 1985, and went on to transform how Japanese-language documents were created. This anniversary was established to mark the 25th anniversary of that release.

• Established by: JustSystems Corporation in 2010
• Origin: Commemorates the 25th anniversary of Ichitaro's release on August 28, 1985
• Recognition: Certified by the Japan Anniversary Association

Software That Shaped Japanese-Language Computing

With features built specifically for Japanese kanji conversion and document layout, Ichitaro has been used for decades across government offices, schools, and homes alike — growing in step with the spread of personal computers throughout Japan.

Ways to Mark the Day

• Look into the history and evolution of Ichitaro
• Trace the changes in Japanese word-processing software over the years
• Think about the document software you use every day
• Learn more about the development of Japan's IT industry

The Software That Changed How Japan Writes

Ichitaro Day looks back on the software that helped pioneer Japanese-language document creation. August 28 is a good day to appreciate the everyday convenience of the word processors we use without a second thought.