Ichitaro

Ichitaro
Developer(s) JustSystems
Stable release
Ichitaro 2018 (28.0) / 9 February 2018
Operating system Microsoft Windows, Linux
Type Word processor
License Proprietary
Website www.ichitaro.com

Ichitaro (一太郎, ichitarō) 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 developed by JustSystems, is bundled with Ichitaro.

History

The company developed the Japanese word processor JS-WORD for the PC-100 in 1983. In the following year, jX-WORD for the IBM JX was released and in the following year, jX-WORD Taro was released for PC-9801. The same year, Ichitaro was released as its definite successor.

In the DOS era, Ichitaro had a considerable market share along with other rivals such as Matsu by Kanri Kougaku Kenkyujyo. However, as Windows became dominant, the market was largely taken over by Microsoft Word.[1] Some versions of Ichitaro were 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.[2]

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.[3]

Versions

VersionRelease DateNotes
JS-WORDOctober 1983For PC-100
jX-WORDDecember 1984For IBM JX series
jX-WORD TaroFebruary 1985For PC-9800 series
128 August 1985MS-DOS
2May 1986
3June 1987
4April 1989
5April 1993Mac version released in July 1995
6January 1995Version 6.3 (August 1995) included internet connectivity
7September 1996Windows 95
8February 1997
9September 1998All versions from here use .jtd extension
10September 1999
11February 2001
12February 2002
13February 2003
14February 2004Ichitaro 2004
15February 2005Ichitaro 2005
16February 2006Ichitaro 2006
179 February 2007Ichitaro 2007
188 February 2008Ichitaro 2008
196 February 2009Ichitaro 2009. Windows 7
205 February 2010Ichitaro 2010
2110 February 2011Ichitaro 2011
2210 February 2012Ichitaro 2012
238 February 2013Ichitaro 2013 Xuan
247 February 2014Ichitaro 2014 Toru
256 February 2015Ichitaro 2015
265 February 2016Ichitaro 2016
273 February 2017Ichitaro 2017
289 February 2018Ichitaro 2018

Security

In 2013, Symantec revealed that Ichitaro had the potential to be targeted by trojan horse programs.[4] A gang of Chinese hackers was widely blamed for the incident.[5]

See also

Further reading

References

  1. ↑ The Yomiuri Shimbun, pp.9 Tokyo morning edition, 8 April 1998.
  2. ↑ The Yomiuri Shimbun, pp.1 Tokyo morning edition, 2 February 2005.
  3. ↑ The decision of case 2005 (Ne) 10040, Intellectual Property High Court of Japan - 30 September 2005
  4. ↑ Symantec: "Yet Another Zero-Day: Japan Hit with Ichitaro Vulnerability", 14 November 2013. Accessed 3 March 2014
  5. ↑ "New York Times hackers linked to Japan Ichitaro attacks", The Register, 18 November 2013. Accessed 3 March 2014
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