- 1924
- Our company was established by Mr. Kichijiro Wakasa.
- 1928
- The research about crystal oscillators requested by the Communication Ministry had started. Production models were manufactured during 1935 to 1942.
- 1931
- Guild flicker photometer, Bechstein photometer, Macbeth illminometer were launched.
- 1940
- The company name was changed to Wakasa Optics Corporation Ltd.
- 1945
- Wakasa Optics Corporation Ltd. was dissolved by the World War Ⅱ.
- 1947
- Wakasa Optics Corporation Ltd. was reestablished by Mr. Akiyuki Wakasa.
- 1949
- Wakasa Optics Corporation Ltd. was incorporated as a limited liability company, and an organization to develop high end optical equipments was prepared.
- in the 1950s
- Light sources, densitometers, test equipments for surface defects, refractometers, brix meters, and protein meters were developed and launched.
- in the 1960s
- A test equipment for steel plate defects was developed and launched.
- in the 1970s
- Applying the photoelectric conversion technology, various types of readers were developed and launched.
- in the 1980s
- Light sources for CCD test were developed and launched.
- 1987
- Wakasa Optics CO., Ltd. was incorporated again as a stock company.
- in the 1990s
- Light sources for CCD test were developed and launched.
- 2005
- Light sources for Line Sensor test were developed and launched.
- 2006
- The capital was increased to 22.6 milion yens in January, and increased to 52.6 milion yens in September. Light distribution measuring equipments were developed and launched.
- 2007
- Plane distribution measuring equipments of plural refraction with Ellipsometry measurement were developed and launched. Light sources to manufacture screenmasks were developed and launched. Light sources for Image sensor test named WAC-701 were developed and launched for sales.
- 2008
- Luminance distribution measuring equipments were developed and launched. Test systems with image processing were developed and launched.
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