| 1882 |
One of the foundations of Toyobo, Osaka Boseki was born |
| 1886 |
Establishment of Mie Boseki |
| 1914 |
The start of Toyobo, merger between Mie Boseki and Osaka Boseki |
| 1931 |
Merger with Osaka Goudoboseki to create one of the largest spinning companies in the world |
| 1956 |
Entry into the synthetic fibers business |
| 1963 |
Entry into the films business |
| 1966 |
Merger with Kureha Boseki - Toyobo became the largest-scale spinning company in Japan |
| 1970 |
Entry into the plastics business |
| 1972 |
Entry into the bio products business |
| 1979 |
Developed the world's first RO membrane modules for single-pass seawater desalination |
| 1982 |
Approaching the Toyobo Centennial |
| Establishment of Toyobo Biotechnology Foundation |
| 2002 |
Consolidated sales from non-fiber operations exceed sales from fiber operations |
| Development of "Toyobo GS Catalyst®" world's first aluminum (heavy metal-free) polyester catalyst |
| 2010 |
Establishment of a joint venture for manufacturing and selling RO membrane elements in Saudi Arabia |
| 2012 |
Approaching the Toyobo 130th anniversary |
| Establishment of our new corporate slogan - Ideas & Chemistry |
| 2013 |
Acquisition of Spain's Spinreact S.A., a Global Manufacturer and Marketer of Diagnostic Reagents and Instruments |
| Development of COSMOSHINE®SRF (a polyester-based super retarder film) to Eliminate Coloration (Rainbow Mura) due to Birefringence |