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Makoto Hirakawa

Ricoh

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Publication

Featured researches published by Makoto Hirakawa.

Archive | 2003

Zoom lens, and camera and portable information terminal for utilizing zoom lens

Kazuyasu Ohashi; Makoto Hirakawa

Archive | 2004

Zoom lens, camera, and portable information terminal apparatus

Makoto Hirakawa

Archive | 2002

Zoom lens, camera and personal digital assistance device

Makoto Hirakawa; Kazuyasu Ohashi; 和泰 大橋; 真 平川

Archive | 2010

ZOOM LENS, CAMERA DEVICE AND PERSONAL DIGITAL ASSISTANT

Makoto Hirakawa

Archive | 2015

MAGNIFICATION OPTICAL SYSTEM

Hibiki Tatsuno; Kiichiro Nishina; Yasuyuki Shibayama; Takanobu Osaka; Makoto Hirakawa

Archive | 2008

OPTICAL SCANNING DEVICE AND METHOD FOR ADJUSTING ERRORS

Daisuke Ichii; Makoto Hirakawa

Archive | 2012

ENLARGEMENT OPTICAL SYSTEM

Kiichiro Nishina; Makoto Hirakawa; Hibiki Tatsuno; Yasuyuki Shibayama; Takanobu Osaka

Archive | 2010

OPTICAL SCANNING DEVICE, METHOD OF ADJUSTING THE SAME, AND IMAGE FORMING APPARATUS

Makoto Hirakawa

Archive | 2012

Image displaying apparatus having plane mirror at conjugate to image displaying element

Makoto Hirakawa; Hibiki Tatsuno; Takanobu Osaka; Yasuyuki Shibayama; Kiichiro Nishina

Archive | 2008

Optical scanning device and image forming apparatus for optimizing arrangement intervals in a main-scanning direction and a sub-scanning direction

Daisuke Ichii; Yoshinori Hayashi; Seizo Suzuki; Masaaki Ishida; Makoto Hirakawa

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Collaboration

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Kazuyasu Ohashi

Ricoh

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Hibiki Tatsuno

Ricoh

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Kiichiro Nishina

Ricoh

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Takanobu Osaka

Ricoh

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Yasuyuki Shibayama

Ricoh

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Daisuke Ichii

Ricoh

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Junichi Kitabayashi

Ricoh

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Kaoru Itoh

Ricoh

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Kazuhiro Fujita

Ricoh

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Toshiharu Murai

Ricoh

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