is a Japanese
word processor produced by
JustSystems, a Japanese software company. Ichitaro occupies the second share in Japanese word-processing software, behind
Microsoft Word. It is one of the main products of the company. Its proprietary file extension is ".JTD".
ATOK, an
IME
Ime is a village in Lindesnes municipality in Agder county, Norway. The village is located on the east side of the river Mandalselva, along the European route E39 highway. Ime is an eastern suburb of the town of Mandal. Ime might be considered ...
developed by JustSystems, is bundled with Ichitaro.
In the
DOS era, Ichitaro had a considerable market share along with other rivals. However, as
Windows became dominant, the market was largely taken over by
Microsoft Word.
Origin of name
"" was named by , a founder of JustSystems. When he worked part-time as a tutor, one of his learners' names was Taro. He died of sickness when Kazunori worked at the company.
Taro is also a common Japanese given name used for the eldest son.
Sanyo Electric already had a trademark right of the name, so JustSystems added a prefix "" as they hoped the software won the best.
History
Beginnings
JustSystems was founded in July 1979 by and Kazunori Ukigawa, and was incorporated in June 1981. Kazunori worked at a subsidiary company of
Toshiba, and he was interested in Japanese-language computing. Toshiba released in February 1979, the first word processor for the Japanese language, but it sold less than their business computers. He founded the company as a dealer of business computers, and they started selling Japanese language software. After the release of
PC-8801, they developed an invoicing software for it, which printed out estimations and invoices in Japanese. They demonstrated it at trade fairs, and received a positive response.
When they contacted to
ASCII Microsoft
was a Japanese publishing company based in Chiyoda, Tokyo. It became a subsidiary of Kadokawa Group Holdings in 2004, and merged with another Kadokawa subsidiary MediaWorks on April 1, 2008, becoming ASCII Media Works. The company published ...
about a run-time license fee of the BASIC compiler used for their farm management software, ASCII had known JustSystem's Japanese software, so they asked JustSystems to develop a Japanese word processor software for
PC-100
The NEC PC-100 was a Japanese home computer available on October 13, 1983. It operated on 8086 CPU 7 MHz, 128KB RAM, 128KB VRAM, a Japanese language capable keyboard and a two button mouse. It had three models and its color monitor, ''PC-KD651 ...
. It was released as JS-WORD in 1983. It was followed by JS-WORD 2.0 ported for
PC-9801. Both were published by ASCII under their name. JS-WORD featured mouse support and a graphical icon-based interface, but it resulted in poor performance. The jX-WORD for the
IBM JX
The IBM JX (or JXPC) was a personal computer released in 1984 into the Japanese, Australian and New Zealand markets. Designed in Japan, it was based on the technology of the IBM PCjr and was designated the IBM 5511. It was targeted in the Australa ...
was released and in 1985, jX-WORD Taro was released for PC-9801. jX-WORD Taro was priced at 58,000 yen, which was the middle price among Japanese word processor software, and sold 9,700 copies.
Domination in Japan PC market

The same year, Ichitaro was released as its definite successor. Ichitaro's system disk contained
ATOK 4 and a runtime version of
MS-DOS 2.11. It allowed users to use other MS-DOS applications with Japanese language support.
The biggest competitor, , was released in 1983 by . It gained speed from being written in
assembly language and natively ran on PC-9801, but Matsu's Japanese input method couldn't be used for other applications. Ichitaro had plenty of typesettings options, but Matsu did not. Also, Matsu was priced at 128,000 yen before Ichitaro came out.
The first version of Ichitaro has shipped 29,000 copies. Ichitaro Ver.2 has shipped 80,000 copies. Ichitaro Ver.3 was the first version ported for other Japanese DOS platforms. It has shipped more than 300,000 copies until 1991. Total shipments of Ichitaro reached one million in November 1991.
Contrary to the Japanese personal computer market expanding into beginners, Matsu oriented for power users, so Ichitaro overtook it.
Ichitaro Ver.4 was released in April 1989. It had a proprietary
operating environment called , like
Lotus Symphony. Three minor versions were released because it was buggy. The stable version was 4.3 released in December 1989.
ATOK 7 was bundled with Ichitaro 4, and was available as a standalone product in 1992.
Arrival of Microsoft Word
Microsoft released the first Japanese version of
Microsoft Word for Windows in 1991. Four years passed before Ichitaro 5 was released for Japanese DOS platforms in April 1993. The next month, Microsoft released the Japanese
Windows 3.1 and the first Japanese version of
Microsoft Office, which included Word 5.0 and
Excel
ExCeL London (an abbreviation for Exhibition Centre London) is an exhibition centre, international convention centre and former hospital in the Custom House area of Newham, East London. It is situated on a site on the northern quay of the ...
4.0. Its successors shipped 200,000 copies per month in late 1994. JustSystems barely completed a Windows adaptation of Ichitaro in December 1993, but Microsoft took over the market dominated by Ichitaro and
Lotus 1-2-3.
As of 1997, a Japanese media website reported that 64 percent of readers using Microsoft Word, and the main reason was that they used it in offices and schools. The rest of 35 percent were using Ichitaro, and the main reason was that the IME of ATOK was convenience.
In 1998, the
Japan Fair Trade Commission informed Microsoft of an unfair trade that they forced personal computer manufacturers to bundle with Excel and Word against the request of a bundle with Excel and Ichitaro.
Ichitaro Ver.5 was ported to the
Macintosh and to
OS/2. In May 2003, the release of a
Linux version was announced. Compact versions, "Ichitaro dash" and "Ichitaro lite" are produced for
laptop PCs. As office suite, "Just home" is also available. "Ichitaro smile" is targeted at elementary school students and "Ichitaro jump" at middle and high school students.
On 1 February 2005, sales and production of the software were frozen pending an appeal by the company against a ruling of the Tokyo District Court which states that there is a breach of a patent owned by
Matsushita Electric Industrial Co., Ltd.
formerly between 1935 and 2008 and the first incarnation of between 2008 and 2022, is a major Japanese multinational conglomerate corporation, headquartered in Kadoma, Osaka. It was founded by Kōnosuke Matsushita in 1918 as a lightbulb s ...
However, on 30 September 2005,
Intellectual Property High Court of Japan, which was newly formed in April 2005, has granted JustSystems’ appeal. Because this judgement became a final decision in October 2005, the original decision sentenced by the Tokyo District Court was overturned.
In 2009, JustSystems became a subsidiary company of
Keyence. In the 2010s, they focus on correspondence education and enterprise software although Ichitaro and ATOK continue to be developed.
Versions
Security
In 2013,
Symantec Symantec may refer to:
*An American consumer software company now known as Gen Digital Inc.
*A brand of enterprise security software purchased by Broadcom Inc.
Broadcom Inc. is an American designer, developer, manufacturer and global supplier ...
revealed that Ichitaro had the potential to be targeted by
trojan horse program
In computing, a Trojan horse is any malware that misleads users of its true intent. The term is derived from the Ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy.
Trojans generally spread by some f ...
s. A gang of Chinese hackers was widely blamed for the incident.
"New York Times hackers linked to Japan Ichitaro attacks", ''The Register'', 18 November 2013
Accessed 3 March 2014
See also
* ATOK
* Office Open XML software
* OpenDocument software
Further reading
2005 (Ne) 10040 Appeal Case of Seeking Injunction against Patent Infringement
- the Intellectual Property High Court of Japan
References
External links
*
{{word processors
Windows word processors
Linux word processors
1983 software