Fuji Xerox Co., Ltd.

Kazuya Hongo

Seiichi Takagi

Katsumi Nukada

Hiroshi Kojima

Hidekazu Aonuma

Katsuhiro Sato

Yutaka Akasaki

Tetsuo Ohta

Teruumi Marumo

Takayuki Yamada

Masaki Hirota

Kazuaki Tabata

Hitoshi Takimoto

Tomohito Nakajima

Hiroyuki Moriya

Masaaki Suwabe

Hiroshi Miyamoto

Hideya Katsuhara

Yukiko Kamijo

Wataru Yamada

Kenji Inoue

Hirofumi Nakamura

Masahiro Iwasaki

Kiyoshi Hashimoto

Masahiko Miyamoto

Hidemi Nukada

Masakazu Iijima

Sadao Okano

Seiji Ashiya

Kazuki Inami

Noriyoshi Takahashi

Koji Bando

Yuichi Yashiki

Kenta Ide

Mitsuhide Nakamura

Kozo Ota

Kazuaki Aoki

Masahiro Andoh

Koichi Yasaku

Wataru Nakabayashi

Satoru Inakage

Kaori Iemula

Yasuhiro Nida

A cylindrical member used in an electrophotographic photoconductor, the cylindrical member includes an impact-pressed cylindrical body containing aluminum and a long-chain fatty acid ester based lubricant that is present on the outer surface of the impact-pressed cylindrical body in an amount of approximately not more than 5.0&#xd7;10mg/cm.

Cylindrical member used in electrophotographic photoconductor, electrophotographic photoconductor, image forming apparatus, process cartridge, and method for producing cylindrical member used in electrophotographic photoconductor

A microchannel device is provided, the microchannel device containing a microfluidic channel including a sub fluidic channel in which at least one filtration diaphragm is provided, wherein the microfluidic channel has at least a supply port, a first discharge port and a second discharge port, the supply port and the first discharge port are connected through the filtration diaphragm, the supply port and the second discharge port are connected without the filtration diaphragm, and the filtration diaphragm is provided parallel to a fluidic channel direction of the microfluidic channel.

Microchannel device, separation apparatus, and separation method

An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product formed from at least one charge transporting material having at least one substituent selected from the group consisting of &#x2014;OH, &#x2014;OCH, &#x2014;NH, &#x2014;SH, and &#x2014;COOH and at least one selected from a guanamine compound or a melamine compound, the content of the at least one charge transporting material being at least about 90% by weight, and the content of the at least one selected from the guanamine compound or the melamine compound being from about 0.1% by weight to about 5% by weight.

Electrophotographic photoreceptor, process cartridge and image forming apparatus

Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (&#x3bc;m) of the colored resin particles is 3&#x2266;A&#x2266;6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and0.990&#x2212;0.0083&#x2266;1.021&#x2212;0.0117&#x2003;&#x2003;(1)

Colored resin particles, manufacturing method of the colored resin particles and toner for electrostatically charged image development

A liquid transporting apparatus includes: a microchannel; a transporting liquid supply port through which transporting liquid is supplied to the microchannel; a partition wall as defined herein, and that has an opening; a first split channel that is provided on an upper side of the partition wall; a second split channel that is provided on a lower side of the partition wall; a particle dispersion supply port through which a particle dispersion is supplied to a middle portion of a width direction of the first split channel; and at least one drain port through which the fluid is discharged from downstreams of the first and second split channels, and a pattern that generates an upward-directed flow with respect to a vertical direction in a middle portion of a section of the microchannel is formed in an inner wall of the microchannel or in the partition wall.

Liquid transporting apparatus, classifying apparatus, and classifying method

A method for transporting dispersion, includes: introducing dispersion containing particles into a liquid transporting channel from a dispersion introducing port; transporting the dispersion in a laminar flow through the liquid transporting channel; and discharging the dispersion from a downstream of the liquid transporting channel, and the liquid transporting channel has a bent portion in a vertical direction, and a Dean vortex which cancels an exchange flow that is produced by movement of the particles caused by gravitational force is generated in the bent portion.

Liquid transporting method and classifying method

A classification device includes: a classification channel for classifying particles; a particle dispersion delivery channel as defined herein; a conveying fluid feed channel as defined herein; and at least one collection channel as defined herein, and the particle dispersion delivery channel satisfying relationship (1):wherein A is a width of the particle dispersion inlet port as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel; and B is a width of the junction between the particle dispersion delivery channel and the classification channel as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel.

Device for classifying particles and method for classifying particles

A blending apparatus is provided, the blending apparatus including: an outer tube; and at least one inner tube disposed inside the outer tube, wherein a distal end, in a lengthwise direction, of the inner tube is located at an intermediate position, in a lengthwise direction, of the outer tube, and the inner tube has plural of through holes in a vicinity of the distal end thereof.

Blending apparatus, blending method, phase inversion emulsifying method, and method for producing resin particle dispersion

A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and a discharge path from which particles separated by the separation path are discharged.

Separation method and separation apparatus

An electrophotographic photoreceptor includes a conductive substrate; and a photosensitive layer that includes a phthalocyanine pigment, a charge-transporting substance and at least one kind of lignophenol derivative.

Electrophotographic photoreceptor, process cartridge and image-forming apparatus

A classifying device for classifying particles using a centrifugal force contains a microchannel includes a curved portion including a first tubular channel and a second tubular channel; and a diaphragm that is provided within the curved portion, and that is located at a position between the first tubular channel and the second tubular channel; and wherein the diaphragm has at least a first apertured group formed in a central region of the diaphragm and a second apertured group formed in a first end region and a second end region of the diaphragm, the first apertured group and the second apertured group communicate the first tubular channel with the second tubular channel along a direction of the centrifugal force, the first apertured group has a mesh, and the second apertured group has a mesh that is different in size from the mesh of the first apertured group.

Classifying device and method of classification

The present invention provides a method for treating fine particles contained in a first fluid comprising: feeding the first fluid containing the fine particles and a second fluid to generate two laminar flows; migrating a diffusible substance contained in the first fluid into the second fluid at an interface between the first fluid and the second fluid in the laminar flows; and separating the laminar flows into the first fluid containing the fine particles and the second fluid in a diverging region.

Method and device for treating fine particles

A hydroxygallium phthalocyanine pigment is characterized by having a maximum peak wavelength within a range of from 810 nm to 839 nm in optical absorption spectrum in a wavelength range of from 600 nm to 900 nm.

Hydroxygallium phthalocyanine pigment and process for the production thereof, electrophotographic photoreceptor, process cartridge, electrophotographic device and image formation method

The present invention relates to a photoconductive organic pigment comprising granular cores and an organic pigment having photoconductive properties which organic pigment adheres to the surfaces of the granular cores, a photoconductive organic pigment dispersion liquid comprising the photoconductive organic pigment, and an electrophotographic photoreceptor comprising an electroconductive substrate laminated with a photosensitive layer containing the photoconductive organic pigment and an electrophotographic device using the electrophotographic photoreceptor.

Photoconductive organic pigment, photoconductive organic pigment dispersion liquid, electrophotographic photoreceptor and electrophotographic device using the same

A process for producing an electrophotographic photoreceptor including a step of coating a light-sensitive layer on an electroconductive base, a step of removing part or all of oxidants present from an air atmosphere by an oxidants removing unit, a step of dealing with a coating solution for forming the light-sensitive layer in the air atmosphere from which concentration of oxidants is suppressed by the step of removing part or all of oxidants present, and a step of suppressing variation in the concentration of oxidants in the air atmosphere, wherein the step of dealing with the coating solution for the light-sensitive layer includes at least one of the steps of preparing the coating solution for forming the light-sensitive layer, applying the light-sensitive layer and drying an applied coating.

Growing community of inventors

Kanagawa, Japan

Kazuya Hongo