- 2023 - 2028 Research on the entrainment factors of circadian rhythms contributing to the relief of premenstrual syndrome sufferingss
- 2023 - 2025 Development of nighttime lighting to promote patient sleep under metameric conditions
- 2022 - 2025 日内リズムを整えるように光刺激を制御した照明の日常生活を想定した有効性の検証
- 2018 - 2022 Effects of daily light exposure at night on energy expenditure
- 2014 - 2018 Effects of the light exposure and food intake on circadian rhythms of diet-induced thermogenesis in humans.
- 2011 - 2014 Effects of tryptophan intake and light exposure during the daytime on sleep factors
- 2010 - 2014 Studies of melanopsin-expressing retinal ganglion cells in humans by using the four-primary illumination system
- 2010 - 2012 A study of novel lighting system based on the frequency characteristics of non-visual photoreceptors.
- 2008 - 2010 The effect of light emitting in daily life on human circadian rhythm
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