History of OSAS
| 1998 | Development started advised by Dr. Jae Seung Kim. |
| 2000 | Sales started. Introduced to Seoul University with followed remarkable improvement. |
| 2001 | OSAS manufacturing facility moved to Germany (Company "DEWIMED"). Stopped production in Korea. |
| 2002 November | "DEWIMED" acquired CE0124 and OSAS current look established. A self-tapping type of screw was developed (no drilling required) and sales started in Europe and Central and South America. |
| 2003 | Dr. Cheol-Ho Paik introduced OSAS to Japan. |
| 2004 | Our company started selling OSAS instruments in Japan. |
| 2005 February | Dr. Cheol-Ho Paik held the first one-day seminar in Tokyo. A total of 4 seminars was held since then. Sales of OSAS mini screws started in Japan. |
| 2005 October | Started selling 2 types of OSAS, slit-type and M-OSAS. |
2006 November |
Design of a screw changed with request for approval. Design of a screw head changed as well. New size was added for M-OSAS mini screw. Design of M-OSAS mini screw head changed. Design of OSAS mini screw head changed. |
| 2007 March | Dr. Cheol-Ho Paik held the 4th one-day seminar in Tokyo. |
| 2008 July | Design of a screw head changed, sales of 5 new types of modified OSAS mini screw started. |