2004.04 Primeworks Corporation established.Masashi Ikeda assumed the presidency
2004.07 Implemented allocation of new stocks to a third party, Sharp Corporation.
2005.07 Mobile phone theme service "Kasutamo", launched in collaborated with Sharp Corporation.
2006.02 Catalyst Mobile kk. (currently known as SoftBank Corp.)
2008.05 Primeworks Corporation listed on the Mothers of the Tokyo Stock Exchange (TSE).
2008.06 Catalyst Mobile kk. developed utilizing Flash technology "Flash synthesis engine", and started providing the docomo handsets as a "Deco-animation" engine.
2008.10 Catalyst Mobile kk, acquired.
2008.11 Tied up with KDDI (Ltd.) in the health care field. Health management service "au Smart Sports Karada Manager", launched.
2009.08 Implement allocation of new stocks to a third parties, NTT DoCoMo and KDDI.
2009.09 Subsidiary, studio PLUSCO,Inc. established.
2010.10 "Karada Manager" for Android, launched.
2011.02 Joined "Open Screen Project" of Adobe Systems, inc. as a "scaling partner".
2011.09 Character content distribution site "Kasutamo" for Android, launched.
2011.10 Licensed "Aniemo" technology for smartphones of docomo.
2012.01 Listed on the first section of the TSE.
2012.04 Licensed "Audyssey Dynamic EQ", acoustic quality improvement solution for smartphones of docomo.
2012.05 A new e-book server solution which supports HTML5 comic reader, launched.
2012.06 Primeworks Corporation and Catalyst Mobile kk., merged. Company name changed to Neos Corporation.
2012.08 "Aniemo" technology which adopting service for smartphone of docomo "Dekome emoji pop・Dekome picture pop" support HTML5.
2012.09 Supported development of docomo's photo・video storage service, docomo cloud "photo collection".
2012.10 "Japan Technology Fast50", technology companies growth rate ranking, awarded for six consecutive years.
2013.02 Planning, developing, and manufacturing stick type device "SmartTV dstick 01" release by docomo.
2013.02 Released HTML5 app production solution "MatrixEngine for JavaScript" for "TIZEN" and "Firefox OS".
2013.03 Distributed stamp content on the "LINE", free messenger app for smartphone.
2013.09 Cloud address book service "SMART address book" for enterprise, newly developed and launched.
2013.10 Developed educational apps for "d-kids", new service of docomo for smartphone.
2013.11 Became a partner corporation of "Tizen Association".
2013.11 Kisekae site for iPhone, launched.
2013.11 "STOREPASS" business which correspoding "Passbook", acquired. Distributed a service "neoPass for coupon" to the fourty introduction companies from Dec. 2013.
2014.02 Supported to upgrade and expand Web application for "Firefox OS", next generation open platform.
2014.04 New apps "Eigo de asobo planet for d-kids" and "Yubi doriru for d-kids" for educational service of docomo, launched.
2014.05 "RenoBody", a body development support app, launched.
2014.05 Cooperated on a development of smartphone "Fairisia" designed for teens which released by MegaHouse Corporation,
2014.06 Neos Innovations International, a wholly owned subsidiary, established in the United States, Silicon Valley.
2014.06 A realistic and virtual fusion app "SnapDance", launched. Person's pictures are transformed into realystic 3D charcters and its go into a dance on the app.
2014.06 Japan's first Dropbox cooperation chat app "meety", launched.
2014.09 Luanched "Healthcare sampling", a new sampling service specialized for medical checkup centers.
2014.11 Entered into a new enterprise market. Tied up with IDC Frontier Inc, and launched cloud service, "4U CLOUD".
2014.12 Immimic LLC, a joint company with SonyMusic Entertainment, established.
2014.12 Exhibited a high-performan WEB app for Firefox OS at the "au Firefox OS Event", where Japan's first Firefox OS mobile phone was unveiled.
2015.02 Developed MVNO for MNP support services - address data migration Support and Development of the Security Service [SMART Address Book Plus].
2015.02 Tied up with Fuji TV kids. Launched "be Ponkickies for d-kids", educational service for docomo's smartphone which designed for kids.
2015.03 "Information live machiuke" for 4G LTE smartphone "AQUOS K", jointry launched with Sharp Corporation.
2017.03 Neos Vietnam International established in the Ha Noi.