| 1953 |
“Okumura-Shokai” was founded in Osaka,Sakai city |
| 1958 |
”Okumura-Shokai Co.,Ltd.” has become a stock company. |
| 1967 |
“Okumura-Shokai Co.,Ltd.” to change name to “OS Screen Co.,Ltd.” |
| 1968 |
“OS Screen” was registered to trademark |
| 1969 |
Sales office and factory were established. The factory in Sakai city moved to Osaka-Suminoe. |
| 1971 |
Registered general contractors in Osaka |
| Tokyo sales office was newly established |
| 1972 |
Launching “OHP Screen” |
| 1976 |
Development of TV hanger |
| 1977 |
New building was completed. The head office moved to Osaka-Nishinari |
| 1978 |
Sales offices were newly established in Sapporo and Fukuoka |
| 1979 |
“OS Kogyo Co.,Ltd.” was newly established in Osaka-Hirakata city(The current OS Co.,Ltd.) |
| 1980 |
Nagoya sales office was newly established |
| 1981 |
Development of AV cabinet |
| 1984 |
Tokyo sales office moved to Tokyo-Chiyodaku |
| 1987 |
General construction licenses(#12111 Machine and Equipment Installation) was aquired |
| 1988 |
Name changed to “OS Co.,Ltd.” |
| 1991 |
Sendai sales office was newly established |
| 1991 |
Development of Pearl Screen (This received high evaluation as OS was pearl ) |
| 1992 |
Introduction of online system linking sales base and production base |
| 1993 |
New Tokyo branch office building was completed.The Tokyo office was integrated and relocated. |
| 1994 |
Hiroshima sales office was newly established |
| 1999 |
Sales offices were newly established in Kanazawa and Yokohama |
| 2000 |
Home theatre Co.,Ltd.was established in Tokyo-Minatoku-Minami Aoyama(The current OS plus e) |
| Puremat series(WF) was developed |
| 2001 |
Saitama sales office was newly established(10th branch office) |
| 2002 |
OSI CO.,LTD. was established in Hong Kong |
| 2005 |
OS Kogyo Co.,Ltd. moved to Hyogo-Shiso |
| 2006 |
Next Japan Marketing Center Co.,Ltd.was established |
| 2007 |
Okinawa sales office was newly established |
| 2008 |
Niigata sales office was newly established |
| 2009 |
Development of display hangers |
| 2010 |
Showroom was set in Tokyo office building |
| 2010 |
Development of mobile solar “Dokodemo Hatsuden” |
| 2011 |
Launching flat panel P-selection |
| 2012 |
Kitakanto and Niigata sales offices were newly established |
| 2015 |
Name change of 奥愛斯商貿（北京）有限公司 |
| 2017 |
Open “Monozukuri KidsKey academy” in Tokyo office building |
| Development of 4K HDR compatible screen “HF102” |
| 2018 |
Launching 4K compatible nonflammable screen “WF801” |
| Launching OS projectors “Luxos” |
| 2019 |
Himeji design office was newly established |
| 2020 |
Akita sales office was newly established |
| Logistics Center was newly established |
| 2022 |
OSB HOKKAIDO CO.,LTD.was established |
