Konica-minolta Holdings, Inc.

Konica Minolta Business Technologies, Inc.

Konica Corporation

Konica Minolta Photo Imaging, Inc.

Kaori Ono

Koji Daifuku

Issei Nakahara

Keiko Ishidai

Kimihiko Ookubo

Ryohei Iwamoto

Yasushi Okubo

Takatugu Suzuki

Osamu Ishige

Takahiro Takagi

Hiroyuki Yamashita

Yasuo Kurachi

Takeshi Hakii

Kazuya Yoshida

Noriyuki Kokeguchi

Satoru Ikesu

Isamu Michihata

Akihito Hisamitsu

A copper complex compound represented by Formula (1) is disclosed. 

Copper complex compound and electrophotographic toner containing the same

An electrochromic compound represented by Formula (1), 

Electrochromic compound, electrode, and display element

An electrophotographic toner is disclosed. The toner contains a compound of Formula X-1 and a copper complex compound represented by the following Formula (1), which are defined detain in the specification. 

Electrophotographic toner

A compound represented by Formula (X-1) is disclosed. in the formula, Rxand Rxeach independently represents an alkyl group, Lx is a hydrogen atom or an alkyl group, Gxis an alkyl group having 2 or more carbon atoms, Gxis an alkyl group or an aromatic hydrocarbon group, Gxis a hydrogen atom, a halogen atom, a Gx-CO&#x2014;NH&#x2014; group or a Gx-N(Gx)-CO&#x2014;group, Gxand Gxeach independently represents a hydrogen atom or a substituent, and Qx, Qx, Qx, Qxand Qxeach independently represents a hydrogen atom or a substituent. An electrophotographic toner containing the compound is also disclosed.

Pyrazolotriazole compound and electrophotographic toner

Provided is a novel electrochemical display element which performs bright white display, high contrast black/white display and full-color display with a simple member configuration. A method for driving such display element is also provided. The display element contains an electrochromic compound, which is colored or has its color disappear due to oxidation or reduction, a metallic salt compound, an electrolyte and a white scattered material, between opposing electrodes. The display element substantially performs multiple color display of three colors or more, i.e., black display, white display and colored display other than black, by driving operation of the opposing electrodes.

Display element and method of driving the same

A copper complex compound represented by Formula (1) is disclosed.  in the formula, groups represented by R is a substituent, n is an integer of from 1 to 5 and the total carbon number contained in (R) n is 14 or more. A toner for electrophotography containing the compound is also disclosed.

An electrophotographic toner which achieves superior coloring without exhibiting any difficulty in dispersibility in thermoplastic resin while exhibiting improved characteristics, is disclosed, comprising a thermoplastic resin and a metal chelate dye contained in the thermoplastic resin and represented by the following formula:M(L)(L)(X)(X).WImage forming method by use of the toner is also disclosed.

Electrophotographic toner and image forming method

A method for producing an electrophotographic toner comprising the steps of: (1) mixing a water-insoluble organic solvent, an oil-soluble dye capable of chelating with a metal, a metal compound and water to form an oil-soluble dye dispersion, (2) removing the organic solvent from the oil-soluble dye dispersion to form colored microscopic particles, and (3) adding an emulsion thermoplastic resin to the colored microscopic particles so as to associate the particles with slow coagulation.

Method for producing electrophotographic toner and electrophotographic toner

A metal complex dye is disclosed, containing a dye as a ligand represented by the following formula (1). A color toner and a color filter containing the metal complex dye are also disclosed. 

Metal complex dye, color toner and color filter

A thermal transfer recording material contains at least one colorant represented by the following general formula (I): 

Thermal transfer recording material and thermal transfer recording method

An electrophotographic toner exhibiting superior color reproducibility and transparency and improved characteristics is disclosed, comprising a thermoplastic resin and colored microparticles dispersed in the thermoplastic resin and containing a dye and a resin differing in composition from the thermoplastic resin. An image forming method by use of the toner is also disclosed.

A transparent resin film for an electronic display and its manufacturing method are disclosed, the transparent resin film having an ultraviolet light transmittance of not less than 50%, the ultraviolet light having a wavelength range of from 250 to 450 nm, and having a glass transition temperature of not less than 180&#xb0; C., the glass transition temperature being measured according to thermal stress strain measurement (TMA).

Transparent resin film, its manufacturing method, electronic display, liquid crystal display, organic EL display, and touch panel

Disclosed are an organic-inorganic hybrid film comprising a cellulose derivative and a polycondensation product of a condensation polymerizable reactive metal compound, wherein the film contains a plasticizer in an amount of 1 to 20% by weight and its manufacturing method.

Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing film

A cellulose ester film comprises (a) an ultraviolet absorbent polymer having at least one of repeating units represented by formulae (1) and (2) and repeating units having ultraviolet absorbent structures represented by formulae (3), (4) and (5), (b) an ultraviolet absorbent polymer which is a copolymer of a repeating unit represented by the following formula (6), (7) or (19) with a monomer unit derived from another ethylenically unsaturated monomer, (c) an ultraviolet absorbent polymer which is a copolymer of a monomer represented by formula (8) with a monomer represented by formula (9), or (d) modified cellulose in which an ultraviolet absorbent structure bonds directly or through a spacer to a hydroxy group of cellulose or its derivative.

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Hino, Japan

Kaori Ono