| Year | Detail |
| 1932 |
Topcon Corp. is founded as Tokyo Kogaku Kikai Kabushikikaisha. |
| 1947 |
It started its Ophthalmic and Medical Instruments business. |
| 1963 |
Launched the world’s first single-lens reflex camera. |
| 1970 |
Expanded globally by entering the U.S. and Netherlands markets. |
| 1989 |
The name of the company was changed to TOPCON CORP. |
| 1994 |
Acquired automatic control technology of construction machinery. |
| 2000 |
Acquired precision GNSS (Global Navigation Satellite System) technology. |
| 2006 |
The company launched the world’s first 3D OCT (optical coherence tomography) that combines features of OCT and a fundus camera. |
| 2008 |
The company made a takeover bid for Sokkia Co. Ltd. |
| 2010 |
The company accelerated business expansion into the ophthalmic therapeutic laser market. |
| 2013 |
Launched fully automatic OCT (3D OCT) optical coherence tomography. |
| 2018 |
Created an eye disease screening business. |