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Makoto Obu

Ricoh

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Publication

Featured researches published by Makoto Obu.

Archive | 2003

Belt device and unit device including belt device and image forming apparatus using the belt device and unit device

Tetsurou Sasamoto; Katsuaki Miyawaki; Makoto Obu; Minoru Suzuki; Yuichi Aoyama

Archive | 1990

Image recording apparatus constituting of selectable units

Makoto Obu; Minoru Suzuki; Koichi Noguchi; Takashi Mori; Akira Ishida; Koichiro Jinnai

Archive | 1986

Developing device using single component toner

Ryubun Seimiya; Noriyoshi Tarumi; Hiromi Demizu; Makoto Obu; Hidetoshi Yano

Archive | 1998

Virtual screen display device

Nobuo Sakuma; Makoto Obu; Akira Momose

Archive | 1987

Developing device using a single component developer

Hiromi Demizu; Makoto Obu; Hidetoshi Yano; Ryubun Seimiya; Noriyoshi Tarumi

Archive | 2000

Image forming apparatus having improved image carrier cleaning

Hideki Kosugi; Sadayuki Iwai; Katsuhiro Echigo; Makoto Obu; Takashi Kawashima

Archive | 1998

Apparatus for controlling density of liquid developing solution and apparatus for forming images

Takeo Tsukamoto; Makoto Obu; Hideki Kosugi; Mie Yoshino; Sadayuki Iwai

Archive | 1990

IMAGE FORMING APPARATUS WITH REPLACEABLE PROCESS UNITS

Seiji Oka; Tomoji Ishikawa; Tsukuru Kai; Hisashi Ishijima; Makoto Obu; Hidetoshi Yano

Archive | 1997

Image forming apparatus having a mounting/dismounting mechanism

Yuichi Aoyama; Makoto Obu; Masaki Hiroi; Katsuaki Miyawaki; Nobuhiko Umezawa; Masami Hiramatsu

Archive | 2000

Image forming apparatus having a common sheet processing station

Makoto Obu; Shigeharu Uda

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Collaboration

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Katsuaki Miyawaki

Ricoh

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Hidetoshi Yano

Ricoh

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Yusuke Takeda

Ricoh

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Sadayuki Iwai

Ricoh

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Hideki Kosugi

Ricoh

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Mie Yoshino

Ricoh

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Takeo Tsukamoto

Ricoh

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Tsukuru Kai

Ricoh

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Hisashi Ishijima

Ricoh

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Seiji Oka

Ricoh

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