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Ken Umehara

Ricoh

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Publication

Featured researches published by Ken Umehara.

Archive | 2007

Toner for developing electrostatic charge image and image forming device using the same

Masami Tomita; Ken Umehara; 正実 冨田; 建 梅原

Archive | 2007

Image forming apparatus, and toner and developer used therein

Hyo Shu; Masami Tomita; Ken Umehara

Archive | 2006

Toner, developer, and image forming apparatus

Ken Umehara

Archive | 2006

Electrostatic image developing toner, toner kit and image forming apparatus

Hideki Sugiura; Hiroyuki Fushimi; Osamu Uchinokura; Takahiro Honda; Masami Tomita; Hyo Shu; Ken Umehara

Archive | 2005

Electrostatic charge image developing toner, carrier, developer, image forming method, and image forming device

Hiroyuki Fushimi; Takahiro Honda; Hiyo Shu; Hideki Sugiura; Masami Tomita; Osamu Uchinokura; Ken Umehara; 寛之 伏見; 理 内野倉; 正実 冨田; 隆浩 本多; 英樹 杉浦; 建 梅原

Archive | 2008

Electrostatic image developing toner and image forming apparatus using the same

Masami Tomita; Ken Umehara

Archive | 2007

Toner for developing electrostatic latent image, and imaging device using the same

Masami Tomita; Ken Umehara

Archive | 2005

Image forming toner, and method for manufacturing the same and developer, and image forming method and image forming apparatus

Mitsuo Aoki; Hisami Hasegawa; Minoru Masuda; Hiyo Shu; Ken Umehara; 増田 稔; 建 梅原; 久美 長谷川; 三夫 青木

Archive | 2006

Toner for developing electrostatic images, toner kits, and image formation equipment

Hideki Sugiura; Hiroyuki Fushimi; Osamu Uchinokura; Takahiro Honda; Masami Tomita; Hyo Shu; Ken Umehara

Archive | 2009

Image forming device, and electrophotographic toner and developer used for the same

Hyo Shu; Masami Tomita; Ken Umehara

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Collaboration

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Masami Tomita

Ricoh

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Hideki Sugiura

Ricoh

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Hiroyuki Fushimi

Ricoh

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Hyo Shu

Ricoh

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Takahiro Honda

Ricoh

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Osamu Uchinokura

Fujitsu

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Osamu Uchinokura

Fujitsu

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Minoru Masuda

Ricoh

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Mitsuo Aoki

Ricoh

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