Konica Minolta Business Technologies, Inc.

Konica Corporation

Subaru Corporation

Nippon Sanso Kabushiki Kaisha

Konica-Minolta Holdings, Inc.

Pioneer Electronic Corporation

Japan Petroleum Exploration Co., Ltd.

Inpex Corporation

Toyota Tsusho Corporation

Total Gas & Power Ventures

Nobuaki Kobayashi

Masao Asano

Takashi Hirano

Satoshi Uchino

Takeo Oshiba

Okushi Okuyama

Akira Ohira

Junji Ujihara

Kouichi Sugama

Hirohiko Seki

Tadaaki Sumitani

Toshio Suwa

Hiroshi Yamazaki

Takashi Ogawa

Toshifumi Suzuki

Kenichi Yasuda

Tomoo Sakimura

Tsutomu Shikada

Keiichi Inagaki

Kenichiro Hosoi

Shigeaki Tokutake

Yotaro Ohno

Keiichi Okuyama

Seiji Aoki

Eiichi Kijima

Makoto Kon

Kazuro Suzuki

Junya Ochi

Yasuhiro Mogi

Daisaku Tsuji

Yasuo Miyoshi

A device attachment structure includes a vehicle member having first and second threads, a device member including first and second through holes, first and second bushings respectively including first and second outer sleeves and first and second inner sleeves, and first and second fasteners. The device member includes a first surface and a second surface that is opposite to the first surface. The first through hole has a large-diameter space that opens in the first surface and to which the first outer sleeve is fitted and a small-diameter space that opens in the second surface and through which the first inner sleeve passes. The second through hole has a large-diameter space that opens in the second surface and to which the second outer sleeve is fitted and a small-diameter space that opens in the first surface and through which the second inner sleeve passes.

Device attachment structure

A vehicle cooling structure to be applied to a vehicle includes a gear case, an inverter, a step-down converter, and a cooling passage. The gear case is to house a gear mechanism and oil of the vehicle. The inverter is disposed on an outer surface of the gear case and to be electrically coupled to a motor of the vehicle. The step-down converter is disposed on the outer surface of the gear case and electrically coupled to the inverter. The cooling passage is formed between an inner surface of the gear case and the inverter, and between the inner surface and the step-down converter. The cooling passage is configured such that coolant flows therethrough.

Vehicle cooling structure

A cooling structure for a vehicle. The vehicle includes a motor. The cooling structure includes a gear case, an inverter, and a cooling flow path. The gear case has an outer face and an inner face, and contains a gear mechanism and an oil. The inverter is provided on the outer face of the gear case, and configured to be electrically coupled to the motor. The cooling flow path is provided between the inner face of the gear case and the inverter, and configured to allow a refrigerant to flow therethrough.

Cooling structure for vehicle

A process for preparing dimethyl ether or a mixture of dimethyl ether and methanol including passing a raw gas containing carbon monoxide and hydrogen through a catalyst slurry containing a mixture including (a) a medium oil having as a main component, a branched, saturated aliphatic hydrocarbon having 16 to 50 carbon atoms, 1 to 7 tertiary carbon atoms, 0 quaternary carbon atoms, and 1 to 16 carbon atoms in the branched chains bonded to the tertiary carbon atom; and at least one of the tertiary carbon atoms is bonded to hydrocarbon chains with a chain length having 4 or more of carbon atoms in three directions, (b) a methanol synthesis catalyst; (c) a methanol dehydration catalyst; and (d) a methanol shift catalyst or a methanol dehydration/shift catalyst.

Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol

An electrophotographic image forming method is disclosed. The method includes electrically charging a photoreceptor, imagewise exposing the photoreceptor so that a latent image is formed on the photoreceptor, supplying a lubricant on a surface of the photoreceptor, and developing the latent image with a toner so that a toner image is formed on the photoreceptor, transferring the toner image and cleaning the photoreceptor, in which the photoreceptor has an electro-conductive substrate, a photosensitive layer and a protective layer containing inorganic particles, a ratio RSm/Dof an average length of surface roughness profile element in the direction making a right angle with the driving direction of the photoreceptor RSm (&#x3bc;m) to a number-based median diameter of the toner Dis from 0.4 to 2.0, and a skewness of the surface roughness profile of the photoreceptor in the direction making a right angle with the driving direction of the photoreceptor Rsk is from &#x2212;3.0 to 0.0.

Image forming method

A surface abrading method of an electrophotographic photoreceptor is disclosed, comprising abrading the surface of a photosensitive layer with an abrading member entrained about a backup roll with feeding the abrading member and rotating the photoreceptor, while moving the abrading member parallel to a rotating shaft of the photoreceptor with bringing the abrading member into contact with the photosensitive layer surface, wherein the abrading member comprises a solid body on a backing material, the solid body contains abrasive grains and is provided on the backing material brought into contact with the photosensitive layer surface, and the top face of the solid body exhibits a surface roughness (Ry) of from 4.0 to 8.0 &#x3bc;m.

Surface abrading method of photosensitive layer of electrophotographic photoreceptor

An objective is to provide a developing roller in which increase of residual potential is inhibited during repetitive operation without deteriorating adhesion to an elastic layer, scattering and leakage of toner are prevented, appropriate elasticity is exhibited and a resin layer capable of preventing uneven charging of toner and image unevenness is prepared, and also to provide a image forming method employing the developing roller. Disclosed is a developing roller possessing an elastic layer made of silicone rubber provided around a conductive shaft, and a resin layer further provided on the elastic layer, wherein the resin layer contains polyurethane resin-silica hybrid as a principal component.

Developing roller and image forming method employing the same

An objective is to provide a developing roller in which increase of residual potential is inhibited during repetitive operation without deteriorating interlayer adhesion, and prepared is a layer immediately below the surface capable of preventing fog caused by toner scattering, accompanied with a surface layer capable of preventing stains formed from foreign matters adhered to the surface, as well as preventing image unevenness since toner electrification is even under the presence of appropriate elasticity, and also to provide a image forming method employing the developing roller. Disclosed is a developing roller possessing an elastic layer made of silicone rubber provided around a conductive shaft, and a plurality of resin layers further provided on the elastic layer, wherein an outermost surface layer among the resin layers comprises silicone copolymerization polyurethane; and a layer immediately below the surface layer comprises a polyurethane resin-silica hybrid.

An embodiment may be an organic photoreceptor, which comprises a conductive support; a photosensitive layer provided on the conductive support; and a surface layer containing a binder and a fluorine-containing resin fine particle having a number average primary particle diameter between about 0.02 &#x3bc;m and about 0.20 &#x3bc;m and a crystallinity of less than 90% and a binder resin; wherein a contact angle of the surface layer for water is 90&#xb0; or more and a dispersion of the contact angle is within &#xb1;2.0&#xb0;.

Organic photoconductor, manufacturing method thereof, and process cartridge and image formation apparatus using the same photoconductor

A method of forming a toner image employing a photoreceptor is described. The photoreceptor comprises a photosensitive layer on a cylindrical conductive substrate, Formula (1) and Formula (2) are held,0&#x3c;Pmax&#x3c;2P&#x2003;&#x2003;Formula (1)2&#x2266;(max/)&#xd7;100&#x2266;50&#x2003;&#x2003;Formula (2)wherein P (&#x3bc;m) is the average of the coating layer thickness in central section in the width direction of the photoreceptor, Pmax (&#x3bc;m) is average of the maximum value of the layer thickness out of the image forming region, and D (&#x3bc;m) is average of distance between point, at which said maximum value is obtained, and edge of the coating layer, and the toner contains 1.0 to 7.0 number % of toner particles having number based particle diameter not more than 3.17 &#x3bc;m based on whole number of toner particles, and number average toner particle diameter is 4-9 &#x3bc;m.

Provided are a developing roller for non-magnetic single component development and a developing method employing the developing, by which toner can be stably conveyed in any external environment, and the stable toner conveyance and charging amount can also be acquired. Also disclosed is a developing roller possessing a spindle and provided around an outer circumference of the spindle, at least an elastic layer (innermost layer), a resistance adjusting layer (intermediate layer) formed on the elastic layer and a surface layer (outermost layer) formed on the resistance adjusting layer, wherein the intermediate layer possesses a layer containing carbon black in a resin, a content of a polycyclic aromatic hydrocarbon in the carbon black is at most 10 ppm, and a volume resistance (Rv) of all the layers provided around the outer circumference of the spindle is 1.0&#xd7;10&#x2212;1.0&#xd7;10&#x3a9;&#xb7;cm.

Developing roller and developing method thereof

Disclosed is an electrophotographic photoreceptor which comprises a layer on a support, wherein the photoreceptor satisfies a condition represented by Formulas 1 and 2;0&#x3c;&#x3c;2&#x2003;&#x2003;Formula 12&#x2266;()&#xd7;100&#x2266;50&#x2003;&#x2003;Formula 2

Electrophotographic photoreceptor and an image forming method employing the same

Disclosed is an electrophotographic photoreceptor which comprises a layer on a support, wherein the photoreceptor satisfies a condition represented by Formulas 1 and 2;0&#x3c;P&#x3c;2PFormula 12&#x2266;()&#xd7;100&#x2266;50Formula 2

Electrophotographic photoreceptor and a manufacturing method thereof

A method of forming a toner image employing a photoreceptor is described. The photoreceptor comprises a photosensitive layer on a cylindrical conductive substrate, Formula (1) and Formula (2) are held,0&#x3c;max&#x3c;2&#x2003;&#x2003;Formula (1)2&#x2266;(max/)&#xd7;100&#x2266;50&#x2003;&#x2003;Formula (2)wherein P (&#x3bc;m) is the average of the coating layer thickness in central section in the width direction of the photoreceptor, Pmax (&#x3bc;m) is average of the image forming region, and D (&#x3bc;m) is average of distance between point, at which said maximum value is obtained, and edge of the coating layer.

Image forming method, image forming apparatus, and processing cartridge

A coating apparatus for a plurality of cylindrical light sensitive members each for use in an electrophotography, is provided with a coating tank in which a coating liquid is stored; a dipping device to lift down the plurality of cylindrical base members into the coating liquid and to lift up the plurality of cylindrical base members above the coating liquid so that the plurality of cylindrical base members are coated with the coating liquid; and a plurality of drying hoods corresponding in number to the plurality of cylindrical base members and provided above the coating tank so that each of the plurality of cylindrical base members is lifted up from the coating tank into a respective drying hood among the plurality of cylindrical base members.

Growing community of inventors

Tokyo, Japan

Nobuaki Kobayashi