Recommended levels of illumination
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1979

General requirements for bodies operating assessment and certification/registration of quality systems (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1996

Classification of fluorescent lamps and light emitting diodes by chromaticity and colour rendering property
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2019