Fujitsu Corporation

Masaki Nagaoka

Yoshimichi Katagiri

Yuzo Horikoshi

Yasufumi Nakamura

Masakazu Kinoshita

Hidenori Fujioka

Hitoshi Kusaba

Kazuhiko Kido

Eiji Sakurai

Yumi Fujisaki

Masahiro Nishihata

Haruo Kuroda

Kazuya Hamada

Tetsuro Baba

Yuko Ohyama

Kazuyuki Kishimoto

Ikuya Yamabata

A process for producing a wherein an aminium salt infrared light absorber and a positive charge control agent are used in combination while preventing a mutual reaction therebetween. In this toner, the physical contact of the aminium salt compound with the positive charge control agent is avoided (e.g., by separately adding them to respective two separated phases of a binder resin), or alternatively use is made of such a combination of confounds as will not cause a mutual reaction (e.g., a common anion is used).

Process for producing flash fusing color toner

A toner is disclosed wherein an aminium salt infrared light absorber and a positive charge control agent are used in combination while preventing a mutual reaction therebetween. In this toner, the physical contact of the aminium salt compound with the positive charge control agent is avoided (e.g., by separately adding them to respective two separated phases of a binder resin), or alternatively use is made of such a combination of compounds as will not cause a mutual reaction (e.g., a common anion is used).

Flash fixing color toner and process for producing the same

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Kawasaki, Japan

Masaki Nagaoka