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Publication


Featured researches published by Ryoichi Yoshikawa.


Archive | 1978

Structure of camera body

Ryoichi Yoshikawa; Teruhisa Oda; Kunio Tanaka; Yukio Iura; Tadahide Fukushima; Hiroshi Aizawa


Archive | 1985

Electro-optic display device

Masaaki Yoshida; Ryoichi Yoshikawa; Naoki Nagase; Masanori Yamada


Archive | 1977

PHOTOGRAPHIC CAMERA WITH AN OPERATION MODE DISPLAY DEVICE

Nobuo Tezuka; Masanori Uchidoi; Yukio Iura; Masami Shimizu; Ryoichi Yoshikawa; Hiroshi Aizawa


Archive | 1983

Flash apparatus with power supply control device

Masanori Yamada; Ryoichi Yoshikawa


Archive | 1983

Safety device for a camera with a winding motor

Yoichi Tosaka; Masanori Uchidoi; Yoshihiro Shigeta; Ryoichi Yoshikawa; Shosuke Haraguchi


Archive | 1985

Flash photography apparatus

Ryoichi Yoshikawa; Kouichi Ohmori; Isao Watanabe


Archive | 1981

Film magazine holding device for camera

Shosuke Haraguchi; Ryoichi Yoshikawa


Archive | 1978

Shutter operation control device for a photographic camera

Yoji Sugiura; Nobuo Tezuka; Ryoichi Yoshikawa; Uchidoi Masanori


Archive | 1980

Information indicating device for single lens reflex camera with built-in flash unit

Ryoichi Yoshikawa


Archive | 1983

Wind-up device for camera

Shosuke Haraguchi; Masanori Uchidoi; Yoshihiro Shigeta; Ryoichi Yoshikawa; Yoichi Tosaka

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