1947
Ena Optical’s predecessor, Osaka Optical Mfg. Co., Ltd., established on the current site and began manufacturing eyeglass frames
1949
Renamed Ena Optical Mfg. Co., Ltd.
1957
Successfully mass produced the first eyeglass frames in Japan made from acetate
1975
Successfully mass produced the first eyeglass frames in Japan made from propionate
1985
Large-scale Machining Center incorporated into production line
1989
New building constructed to accommodate business growth
