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Dive into the research topics where Koji Hirakura is active.

Publication


Featured researches published by Koji Hirakura.


Archive | 2004

Optical scanning lens, optical scanning device and image forming apparatus

Hiroyuki Suhara; Satoru Itoh; Tatsuya Ito; Takeshi Ueda; Yoshinori Hayashi; Magane Aoki; Kenichi Takanashi; Takao Yamaguchi; Taira Kouchiwa; Koji Hirakura; Seizo Suzuki


Archive | 1980

Toner concentration control apparatus

Koji Hirakura; Yasuo Sawada; Kenta Watase; Takahiko Kitamura


Archive | 1978

Toner image transfer method and apparatus for electrostatic photography

Yutaka Ebi; Koji Hirakura; Fuyuhiko Matsumoto; Wasaburo Ohta; Satoru Tomita


Archive | 1978

Toner composition for multiple copy electrostatic photography

Koji Hirakura; Itsuo Ikeda; Wasaburo Ohta; Zenjiro Okuno


Archive | 1981

Transfer medium separating device

Yoshihiro Ogata; Koji Sakamoto; Harumi Takahashi; Koji Hirakura


Archive | 1979

Toner developing ability measuring system for electrostatography

Koji Hirakura; Yasuo Sawada; Kenta Watase


Archive | 1982

Developing unit of dry type

Koji Hirakura; Masumi Ikesue


Archive | 1976

Electrostatic copying method for forming multiple copies

Koji Hirakura; Wasaburo Ohta; Tamio Ohhori; Masaaki Nomura


Archive | 1980

Transfer and separation apparatus of electrophotographic copying machine

Koji Hirakura; Yoshihiro Ogata; Koji Sakamoto; Harumi Takahashi


Archive | 1982

Process of exposing photosensitive member

Shigeru Suzuki; Yutaka Koizumi; Nobuyuki Yanagawa; Koji Hirakura; Chikara Imai

Collaboration


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