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Dive into the research topics where Emi Koyama is active.

Publication


Featured researches published by Emi Koyama.


Archive | 1991

System for discriminating sleep state

Emi Koyama; Akihiro Michimori; Hiroshi Hagiwara


Archive | 1996

Portable illumination device for modifying circadian rhythms

Emi Koyama; Hozumi Matsubara; Toshio Nakano; Hiroshi Hagihara; Akihiro Michimori


Archive | 1998

Portable light irradiation apparatus

Emi Koyama; Hozumi Matsubara; Hiroyuki Nishimura; Toshio Nakano; Yoshimasa Tanaka; Suehiro Morita


Archive | 1999

Body activity discriminating method and device therefor

Hiroshi Hagiwara; Emi Koyama; Norio Nakano; 紀夫 中野; 恵美 小山; 啓 萩原


Archive | 1989

Detector for change in sleeping state and sleeping state controller

Hiroshi Hagiwara; Emi Koyama; Akihiro Michimori


Archive | 1989

System zur bestimmung des schlafzustands

Emi Koyama; Akihiro Michimori; Hiroshi Hagiwara


Archive | 1989

Determining sleep states

Hiroshi Hagiwara; Emi Koyama; Akihiro Michimori


Archive | 2005

SLEEP JOURNAL PREPARATION SUPPORT DEVICE

Daiji Kobayashi; Emi Koyama; Hirokuni Kurohashi; Masakazu Mugita; Hiroaki Nagata; Mitsuhiro Yokoyama; 恵美 小山; 大二 小林; 光広 横山; 浩章 永田; 雅和 麦田; 博国 黒橋


Archive | 1989

Dispositif pour discriminer un etat de sommeil

Emi Koyama; Akihiro Michimori; Hiroshi Hagiwara


Human interface | 2003

Evaluation of quality of sleep in elderly residents in a care facility using an infrared sensor system

Toshio Nakano; Emi Koyama; Hiroshi Hagiwara; Toshiyuki Nakamura; Takeo Ito; Takashi Tamura

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Toshio Nakano

Kyoto Institute of Technology

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