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Archive | 1998

Image forming apparatus that control the reflected light detected by an optical scanner in response to a gradation area percentage of a toner patch

Mariko Emi; Shigeru Tsukada; Satoshi Tomita


Archive | 1987

Semiconductor laser array light source and scanner

Kunio Yamada; Shigeru Tsukada


Archive | 1989

Method of gradation and selection of micro picture elements therefor in a picture display

Kunio Yamada; Shigeru Tsukada; Masao Seki


Archive | 2009

Image forming apparatus having a toner concentration sensor

Shigeru Tsukada; Shunichiro Shishikura; Naoya Yamasaki; Masayuki Aratake


Archive | 1994

Image forming device and image density control method thereof

Satoshi Tomita; Shigeru Tsukada; 茂 塚田; 聡 富田


Archive | 1986

Multi-beam laser printer

Shigeru Tsukada; Kunio Yamada


Archive | 2009

Image forming apparatus with a plurality of development devices

Naoya Yamasaki; Shunichiro Shishikura; Masayuki Aratake; Shigeru Tsukada


Archive | 2013

Image forming apparatus for controlling image density

Matsuyuki Aoki; Shigeru Tsukada


Archive | 2008

Rotary-type developing device and image forming apparatus

Shunichiro Shishikura; Shigeru Tsukada; Naoya Yamasaki; Masayuki Aratake


Archive | 2008

Image forming apparatus with toner concentration detection unit

Masayuki Aratake; Naoya Yamasaki; Shunichiro Shishikura; Shigeru Tsukada

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