Konica Corporation

Konica Minolta Business Technologies, Inc.

Konica-minolta Holdings, Inc.

Konica Minolta Technosearch Co., Ltd.

Tomoko Tanma

Asao Matsushima

Hiroyuki Kozuru

Tomoe Kitani

Meizo Shirose

Hiroshi Yamazaki

Ken Ohmura

Akihiko Itami

Toner containing binder resin constituted of plural types of copolymers comprising a vinyl type polymerizing monomer, wherein at least one of the copolymers comprising a vinyl type polymerizing monomer is one formed by utilizing a monomer provided with at least two polar groups.

Toner and manufacturing method of the same

A toner comprising a compound represented by the following formula:RO(RO)Hwhere Ris an aliphatic hydrocarbon group having 10 to 22 carbon atoms or a distyrene-substituted phenyl group; Ris an alkylene group having 2 to 6 carbon atoms; and n is an integer of 1 to 15.

Electrostatic image developing toner and image forming method

A toner for developing a static latent image is disclosed. The toner has a number based particle diameter distribution curve in which peak or maximum value is within the range of from 1.0 to 2.0 &#x3bc;m, and ratio of particles having particle diameter of from 1.0 to 2.0 &#x3bc;m is from 0.1 to 5.0% and ratio of particle having a diameter of at least 6.35 &#x3bc;m is 5.0%.

Toner for developing static latent image, producing method thereof and image forming method

A toner for developing a static image is disclosed. The toner has carboxyl group in an amount of from 0.1&#xd7;10to 2.0&#xd7;10moles/g in a condition that the toner particle is dispersed in water, and an amount of a metal element contained in the toner is from 10 to 5,000 ppm by weight based on the toner.

Toner for developing static image, production method therefor and image forming method

Image forming method and electrostatic image developing toner

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Hino, Japan

Tomoko Tanma