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Dive into the research topics where Koichi Hiroshima is active.

Publication


Featured researches published by Koichi Hiroshima.


Archive | 1989

Image forming device and transfer belt having contact-type electricity feeding means

Masahiro Goto; Koichi Hiroshima


Archive | 1994

Image forming apparatus having constant current and voltage control in the charging and transfer regions

Yukihiro Ohzeki; Koichi Hiroshima; Junji Araya; Yasushi Sato; Toshio Miyamoto; Kimio Nakahata


Archive | 1989

Light intensity control apparatus

Takahiro Inoue; Hiroyuki Takeda; Masahiro Goto; Koichi Hiroshima; Yukihide Ushio


Archive | 1990

Transferring device having charging device with double oxide and voltage control

Yukihiro Ohzeki; Koichi Hiroshima; Yoshiaki Nishimura; Jun Murata; Junji Araya; Tatsunori Ishiyama; Yasushi Sato; Kimio Nakahata


Archive | 1989

Transfer apparatus and image bearing apparatus using same having transfer means for contacting a backside of a transfer material

Junji Araya; Yukihiro Ohzeki; Toshio Miyamoto; Koichi Hiroshima; Yasushi Sato; Kimio Nakahata


Archive | 1996

Image forming apparatus having cleaning device for cleaning intermediate transfer member

Koichi Hiroshima; Katsuhiko Nishimura; Shinichi Tsukida; Toru Kosaka; Yasuo Yoda


Archive | 1990

Image forming apparatus having transfer device and image bearing member traveling at different speeds

Koichi Hiroshima; Yukihiro Ohzeki; Junji Araya; Yasushi Sato; Tatsunori Ishiyama; Kimio Nakahata; Koichi Tanigawa; Akihiko Takeuchi; Takayasu Yuminamochi; Yoshiro Tsuchiya


Archive | 1992

Electrostatic transfer type image forming apparatus with recording material guide for changing direction of recording material separation from image transfer position

Masahiro Goto; Takahiro Inoue; Koichi Hiroshima; Koichi Suwa; Tatsunori Ishiyama; Manabu Takano


Archive | 1991

Transfer roller with a resistance determined in accordance with its peripheral speed

Takayasu Yuminamochi; Koichi Tanigawa; Akihiko Takeuchi; Koichi Hiroshima


Archive | 1997

Rotatable member having elastic layer and fixing apparatus having said rotatable member

Takao Kume; Norio Hashimoto; Katsuhiko Nishimura; Koichi Hiroshima; Tooru Saitou; Katsunori Takeuchi; Yozo Hotta; Masahiro Suzuki

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