|Parent company||Warner Music Japan (1997–2000)|
Sony Music Entertainment Japan (2000–2014)
|Founded||1997 (as T Project)|
2000 (as Defstar Records)
|Founder||Takashi Yoshida (吉田 敬 Yoshida Takashi)|
|Defunct||2015 (acquired by SME Records)|
|Country of origin||Japan|
|Official website||Official website|
- 1997 – Takashi Yoshida, the president of Warner Music Japan, founded the label as T Project (Tプロジェクト T Purojiekuto).
- 2000 – Yoshida transferred to Sony Music Entertainment Japan, and he brought the T Project catalog. He renamed it DefSTAR Records.
- 2001 – DefSTAR Records becomes a subsidiary of Sony Music Entertainment. Yoshida becomes its manager.
- 2003 – Yoshida returned to Warner Music Japan, but did not try to reclaim his label. Instead, he focused on restructuring his first company.
- 2014 - Defstar Records, Inc. is merged with the six other labels of Sony Music Japan to form Sony Music Labels Inc. and DefSTAR becomes one of labels of Sony Music Labels.
- 2015 - DefSTAR is absorbed into SME Records.
Defstar Records' artists include: Aimer, Amoyamo, Chemistry, Mariko Gotō, Chiaki Kuriyama, Shion Tsuji, Ken Hirai, GARNiDELiA, Hirakawachi 1-chome, Beat Crusaders, Kylee, Kanon Wakeshima, Tomoko Kawase, ROOKiEZ is PUNK'd, FLiP, universe, Long Shot Party, On/Off, Lil'B, Sowelu, Pe'zmoku, The Harris and Shiritsu Ebisu Chugaku. AKB48 used to release products under Defstar, before moving to King Records
- "Profile of DefSTAR Records" (in Japanese). Archived from the original on 2007-12-12. Retrieved 2008-03-13.
- "Takashi Yoshida:A Special Report" (in Japanese). Musicman Net. Archived from the original on 2010-10-11. Retrieved 2011-02-12.
- "Sony Music Entertainment (Japan) Inc. Corporate History". Archived from the original on 2017-01-05. Retrieved 2016-12-29.
- "List of Artists from DefSTAR Records" (in Japanese). Archived from the original on 2007-12-22. Retrieved 2008-03-13.