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Dive into the research topics where Yasunori Arai is active.

Publication


Featured researches published by Yasunori Arai.


Archive | 1993

Magnifying projecting lens

Takashi Iizuka; Nobutaka Minefuji; Yasunori Arai; Kazushi Yoshida


Archive | 1992

Apparatus for combining and projecting images

Yasuyuki Tejima; Takashi Iizuka; Yasunori Arai; Nobutaka Minefuji


Archive | 1992

Imaging optical system for compensating change of temperature

Takashi Iizuka; Yasunori Arai; Yoshihiro Yamazaki


Archive | 1991

Structure for holding an optical article

Tetsuya Abe; Yasunori Arai; Seiichi Sasaki


Archive | 1980

Variable magnification type copying machine

Sataro Takahashi; Ryota Ogawa; Yasunori Arai


Archive | 1981

Variable magnification copying device

Ryota Ogawa; Ikuo Negoro; Hisao Iwanade; Yasunori Arai


Archive | 1994

Projection lens system

Kazuhiro Naganuma; Yasunori Arai


Archive | 1986

Zoom lens for use in copying

Yasunori Arai; Nobutaka Minefuji


Archive | 1991

Shading board for copying apparatus

Nobutaka Minefuji; Yasunori Arai


Archive | 1987

Wide angle reading lens system

Jun Hirakawa; Yasunori Arai

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