History
| September 2003 | The company is established (capital ¥20,000,000), with its main office located in Sendagaya, Shibuya-ku, Tokyo |
| December 2003 | Sales of its DVD/MD stereo component system begin; ±0 has continued to expand its line-up since then |
| March 2004 | In-store sales start at COREDO Nihonbashi in Nihonbashi,Chuo-ku, Tokyo |
| September 2008 | Exhibit at MAISON&OBJET PARIS and beginning of expansion into Europe Awarded “Best Product” as chosen by British design magazine Wallpaper Commencement of sales in major countries in Europe |
| December 2009 | Becomes 100% subsidiary of LEC, INC Head office is transferred to Nihonbashihamacho Chuo-ku, Tokyo |
| February 2019 | Head office is transferred to Kyobashi Chuo-ku, Tokyo |