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Dive into the research topics where Masaki Koyama is active.

Publication


Featured researches published by Masaki Koyama.


Archive | 2001

Data transmission system using a human body as a signal transmission path

Kenji Doi; Masaru Hashimoto; Masaki Koyama; Yoshiko Suzuki; Tokuhisa Nishimura


Archive | 1999

In-home health care system

Kenji Doi; Mitsuhide Maeda; Hitoshi Sakakibara; Masaru Hashimoto; Keiichi Yoshida; Kazuya Kitayama; Masaki Koyama; Osamu Nishimura; Yoshiko Suzuki


Archive | 2000

Data transmission system utilizing human body as signal transmission path

謙之 ▲土▼井; Kaneyuki Doi; Masaru Hashimoto; Masaki Koyama; Mitsuhide Maeda; Osamu Nishimura; Hitoshi Sakakibara; Yoshiko Suzuki; Keiichi Yoshida; 光英 前田; 恵一 吉田; 正樹 小山; 仁 榊原; 勝 橋本; 治 西村; 佳子 鈴木


Archive | 2002

POSITION INFORMATION MANAGEMENT APPARATUS AND POSITION INFORMATION MANAGEMENT METHOD

Masahito Fukuda; Kazuhiro Kawamoto; Masaki Koyama; Kenji Kuramae; Kenji Okuno; Koji Sakamoto; Tei Satake; Takuya Suefuji; Junichi Suzuki; Ikuo Tsujimoto; Wakio Yamada; 佐竹 禎; 奥野 健治; 小山 正樹; 山田 和喜男; 川本 和宏; 末藤 卓也; 福田 正仁; 藏前 健治; 辻本 郁夫; 鈴木 淳一; 阪本 浩司


Archive | 2001

Data communication system and data communication apparatus

謙之 ▲土▼井; Kaneyuki Doi; Masaru Hashimoto; Masaki Koyama; Atsuhisa Nishimura; Yoshiko Suzuki; 正樹 小山; 勝 橋本; 篤久 西村; 佳子 鈴木


Archive | 2002

GPS POSITIONING TERMINAL AND POSITION MONITORING SYSTEM USING IT

Masahito Fukuda; Kazuhiro Kawamoto; Masaki Koyama; Kenji Kuramae; Kenji Okuno; Koji Sakamoto; Tei Satake; Takuya Suefuji; Junichi Suzuki; Ikuo Tsujimoto; Wakio Yamada; 佐竹 禎; 奥野 健治; 小山 正樹; 山田 和喜男; 川本 和宏; 末藤 卓也; 福田 正仁; 藏前 健治; 辻本 郁夫; 鈴木 淳一; 阪本 浩司


Archive | 1999

At-home health management system

謙之 ▲土▼井; Kaneyuki Doi; Masaru Hashimoto; Kazuya Kitayama; Masaki Koyama; Mitsuhide Maeda; Osamu Nishimura; Hitoshi Sakakibara; Yoshiko Suzuki; Keiichi Yoshida; 光英 前田; 恵一 吉田; 和也 喜多山; 正樹 小山; 仁 榊原; 勝 橋本; 治 西村; 佳子 鈴木


Archive | 2004

Position-reporting device and position-detecting system

Masahito Fukuda; Kazuhiro Honda; Kazuhiro Kawamoto; Masaki Koyama; Kenji Okuno; Koji Sakamoto; Takuya Suefuji; Junichi Suzuki; Ikuo Tsujimoto; 健治 奥野; 正樹 小山; 和宏 川本; 卓也 末藤; 和博 本田; 正仁 福田; 郁夫 辻本; 淳一 鈴木; 浩司 阪本


Archive | 1997

At-home health control system

謙之 ▲土▼井; Kaneyuki Doi; Masaru Hashimoto; Kazuya Kitayama; Masaki Koyama; Osamu Nishimura; Keiichi Yoshida; 恵一 吉田; 和也 喜多山; 正樹 小山; 勝 橋本; 治 西村


Archive | 2000

Data communication system, security system for apparatus utilizing the system, and portable telephone and portable information terminal utilizing the data communication system or the security system

謙之 ▲土▼井; Kaneyuki Doi; Masaru Hashimoto; Masaki Koyama; Atsuhisa Nishimura; Yoshiko Suzuki; 正樹 小山; 勝 橋本; 篤久 西村; 佳子 鈴木

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