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Shunji Katoh

Ricoh

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Publication

Featured researches published by Shunji Katoh.

Archive | 2000

Image forming apparatus and developing device with improved self toner density control

Shinji Tamaki; Tsuyoshi Imamura; Hideo Yoshizawa; Junichi Terai; Masayuki Yamane; Kiyonori Tsuda; Kazuhisa Sudo; Shinichi Kawahara; Shunji Katoh; Mikio Ishibashi; Tokuya Ohjimi

Archive | 2000

Image forming apparatus and developing apparatus preventing uneven image density

Shunji Katoh; Hideo Yoshizawa; Shinji Tamaki; Junichi Terai; Kiyonori Tsuda; Tsuyoshi Imamura; Masayuki Yamane; Kazuhisa Sudo; Shinichi Kawahara

Archive | 2000

Developing device with improved developer circulation and toner density control

Kiyonori Tsuda; Tsuyoshi Imamura; Shunji Katoh; Hideo Yoshizawa; Shinji Tamaki; Masayuki Yamane

Archive | 1998

Toner sorting device for separating reusable toner from used toner and image forming apparatus using the same device

Masasumi Yahata; Shunji Katoh; Yuji Kitajima; Satoshi Takano; Shinichi Kawahara; Fumihito Itoh; Tsutomu Katoh

Archive | 2003

Toner refilling device and developing device using the same for an image forming apparatus

Fumihito Itoh; Shunji Katoh; Hirosato Amano; Kunio Makino; Takamichi Enomoto; Hiroyuki Uemura

Archive | 1998

Powder pump and image forming apparatus having the powder pump and method therefor

Masazumi Yahata; Shunji Katoh; Yuuji Kitajima; Masakuni Konja; Satoshi Takano; Fumihito Itoh

Archive | 1999

Tower supplying device and image forming apparatus using same toner supplying device

Yuuji Kitajima; Shunji Katoh; Masasumi Yahata

Archive | 2006

Developer bearing member, developing device, process cartridge and image forming apparatus

Shunji Katoh; Katsumi Masuda; Hideo Yoshizawa; Yoshio Hattori; Hideki Kimura; Kiyotaka Sakai; Kenji Nakajima; Keiichi Yoshida; Akira Azami; Yuji Suzuki

Archive | 1989

Rotary multicolor developing apparatus

Shunji Katoh; Noriyuki Kimura; Yoshihiro Sakai; Sigekazu Enoki

Archive | 1991

Image forming apparatus having toner handling units which are alternatively usable as a developing device or a cleaning device

Takashi Hodoshima; Shunji Katoh

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Collaboration

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Shinji Tamaki

Ricoh

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Hideo Yoshizawa

Ricoh

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Masayuki Yamane

Ricoh

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Yuuji Kitajima

Ricoh

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Hiroshi Ikeguchi

Ricoh

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Kiyonori Tsuda

Ricoh

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Tsuyoshi Imamura

Ricoh

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Hiroshi Hosokawa

Ricoh

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Masasumi Yahata

Ricoh

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Shinichi Kawahara

Ricoh

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