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Dive into the research topics where Motomu Hayakawa is active.

Publication


Featured researches published by Motomu Hayakawa.


Archive | 1999

Blood pulse wave detecting apparatus and motion intensity measuring apparatus

Kazuhiko Amano; Motomu Hayakawa; Koji Kitazawa


Archive | 1988

Charging apparatus for an electronic device

Kenji Sakamoto; Nobuo Ishikawa; Motomu Hayakawa


Archive | 1991

Electronic wristwatch with generator

Motomu Hayakawa


Archive | 1999

Electronic device, control method for electronic device, recharge-rate estimating method for secondary battery, and charging control method for secondary battery

Katsuyuki Honda; Motomu Hayakawa; Ichiro Aoshima; Tsukasa Kosuda


Archive | 1988

Charging device for electronic apparatus

Kenji Sakamoto; Motomu Hayakawa; Nobuo Ishikawa


Archive | 1988

Charging circuit for an analog electronic timepiece

Motomu Hayakawa; Masahito Yoshino


Archive | 1999

ELECTRONIC EQUIPMENT AND CONTROL METHOD FOR ELECTRONIC EQUIPMENT

Ichiro Aoshima; Motomu Hayakawa; Katsuyuki Honda; 求 早川; 克行 本田; 一郎 青島


Archive | 2000

Electronic device and control method for the same

Ichiro Aoshima; Motomu Hayakawa; Tsukasa Kosuda; Katsuyuki Honda


Archive | 2000

Electronic device, electronic device to be charged and method of controlling electronic devices

Katsuyuki Honda; Motomu Hayakawa; Tsukasa Kosuda


Archive | 1996

Pulse rate counter utilizing body movement amptitude detection

Kouji Kitazawa; Motomu Hayakawa; Hiroshi Odagiri

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