October 1987 |
Natsume Inc. established in Shinjuku-ku, Tokyo
![natsumeatari](http://www.natsumeatari.co.jp/wpnatsumeatari/wp-content/uploads/natsume_logo.png)
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May 1988 |
Natsume Inc. established in SAN FRANCISCO
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October 2002 |
Atari Inc. established in Kita-ku, Osaka
![natsumeatari](http://www.natsumeatari.co.jp/wpnatsumeatari/wp-content/uploads/atari_logo.png)
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October 2013 |
Natsume Inc. and Atari Inc. merged to form NatsumeAtari Inc.
![natsumeatari](http://www.natsumeatari.co.jp/wpnatsumeatari/wp-content/uploads/natsumeatari_logo.png)
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October 2015 |
Head office moved to Kita-ku, Osaka
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June 2019 |
Nippon Systemize Co., Ltd., which develops business software, becomes a wholly owned subsidiary.
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