Fuji Xerox Co., Ltd.

Nissan Motor Company Limited

Panasonic Corporation

Renault S.a.s.

Kanagawa Institute of Industrial Science and Technology

Emi Takahashi

Yuka Ishihara

Yasuo Matsumura

Shigeharu Yamagami

Seiichi Takagi

Teppei Yawada

Masashi Ikeda

Makoto Kamisaki

Manabu Furuki

Sueko Sakai

Kenta Emori

Jumpei Niida

Takashi Imai

Satoshi Inoue

Chiaki Suzuki

Yutaka Saito

Susumu Yoshino

Katsumi Daimon

Yasushige Nakamura

Koji Sasaki

Takayoshi Aoki

Manabu Serizawa

Ikutaroh Nagatsuka

Shinya Suzuki

Toshiyuki Yano

Kazuhiko Yanagida

Yasuaki Hashimoto

Hidekazu Yaguchi

Masayuki Takeda

Takahisa Fujii

Isao Ito

Toyofumi Inoue

Hiroe Okuyama

Noriyoshi Takahashi

Tetsu Torigoe

Junichi Tatami

Yukinari Inoue

Koichi Kumashiro

Masahiro Okita

Takuma Takahashi

Masayoshi Shinoki

Teruo Masukawa

Teruo Sakai, Legal Representative

Teigen Ri

A cooling device is provided with a heat sink having a plurality of fins, and a plasma actuator. Flow paths are formed between adjacent ones of the fins. The plasma actuator is provided away from the fins where the flow paths are formed. The plasma actuator has electrodes that are arranged offset in the flow path direction. The plasma actuator generates an induced air flow flowing in a direction of the flow path in the central region between adjacent fins.

Cooling device

A cooling device cools an electronic component using a plasma actuator provided with a dielectric, a first electrode arranged on one surface of the dielectric to generate an induced flow, and a second electrode arranged on the other surface of the dielectric, in which the electronic component and a third electrode are arranged in a flow direction of the induced flow, and a voltage applied to the third electrode is a voltage that generates a potential difference, which is capable of attracting the induced flow, between the first electrode and the third electrode.

A fluorescent member according to present invention is composed of a sintered body for wavelength conversion containing a matrix containing magnesium oxide and magnesium hydroxide as main components, and phosphor particles dispersed in the matrix. A thermal conductivity of the fluorescent member is preferably 5 W/(m&#xb7;K) or higher. A fluorescent member having both a satisfactory thermal conductivity and a satisfactory fluorescent property is provided without requiring a high-temperature sintering process (a high-temperature process at a temperature higher than 250&#xb0; C.). Further, a method for manufacturing such a fluorescent member and a light-emitting apparatus using such a fluorescent member are provided.

Fluorescent member, its manufacturing method, and light-emitting apparatus

An electrostatic charge image developer includes: toner particles; silica particles treated with a silicone oil, which are externally added to the toner particles; and a carrier, wherein a volume average particle diameter of the carrier is equal to or greater than 20 &#x3bc;m and smaller than 30 &#x3bc;m, and a quantity ratio of an elemental silicon derived from a silicone oil and an elemental silicon derived from silica which are present on the surface of the carrier (silicone oil-derived elemental silicon/silica-derived elemental silicon) is in a range of 0.05 to 0.2.

Electrostatic charge image developer, process cartridge, and image forming apparatus

An image forming apparatus includes a charging unit that includes a conductive member which contacts with a surface of an image holding member, and that applies only a DC voltage to the conductive member to charge the surface of the image holding member; and a cleaning unit that has a blade which contacts with the surface of an image holding member and cleans the surface with the blade after a toner image is transferred onto a recording medium, wherein a developer includes toner particles, silica particles treated with a silicone oil, and a carrier, a volume average particle diameter of the carrier is from 20 &#x3bc;m to 35 &#x3bc;m, and a quantity ratio of an elemental silicon derived from a silicone oil and an elemental silicon derived from silica which are present on the surface of the carrier is from 0.05 to 0.2.

Image forming apparatus and image forming method using a toner carrier containing silicon derived from silica and silicone oil

An electrostatic charge image developing toner includes toner particles and silica particles, wherein the silica particles have an average equivalent circle diameter of from 70 nm to 400 nm, an average circularity of from 0.5 to 0.9, and a pore volume of from 0.05 cm/g to 2.5 cm/g.

Electrostatic charge image developing toner, toner container, and image forming apparatus

There is provided a toner for electrophotography containing at least a binder resin, a colorant and a barium compound, and having a relaxation modulus G(t) of from about 2.0&#xd7;10Pa to about 3.0&#xd7;10Pa in a relaxation time of t=10&#xd7;Dt (wherein Dt is the heating time taken during fixing) as determined by the measurement of dynamic viscoelasticity, and a barium content of from about 0.1% to about 0.5% with respect to the total amount of constituent atoms in the toner as determined by X-ray fluorescence.

Toner for electrophotography, developer for electrophotography, toner cartridge, image forming apparatus, and image forming method

An earpiece, an electronic device, and a communication device, capable of reducing the influence of leakage of sounds from a clearance between the earpiece and an ear not to need an addition of parts are provided. An earpiece () includes an electromechanical acoustic transducer () having a diaphragm and for generating a sound by vibrating the diaphragm in response to an electric signal, a case () on which a sound hole () is provided and in which the electromechanical acoustic transducer () is housed, and a holding member () for holding the electromechanical acoustic transducer () in the case (). The electromechanical acoustic transducer () has a sound pressure-frequency characteristic that is compensated in advance such that the sound pressure-frequency characteristic is planarized in a condition that the generated sound is leaked from a user's ear () being covered with the case ().

Earpiece, electronic device and communication device

The invention provides a toner for electrostatic latent image development comprising a first component and a second component which are isolated from each other and capable of forming a color when the first component and the second component are brought into reaction with each other, and a photo-curable composition containing either the first component or the second component, the photo-curable composition not being capable of forming a color when the photo-curable composition is not cured, that is irreversibly controlled to a state of being capable of forming a color by irradiating light having a specific wavelength at which the photo-curable composition is cured.

Toner for electrostatic latent image development, production method thereof, and developer for electrostatic latent image development

The present invention provides a toner for developing an electrostatic latent image including: toner mother particles containing a binder resin and a colorant; and manganese compound particles having a &#x3b3;-type crystalline structure, the production method thereof, and a developer containing the toner.

Toner for developing electrostatic latent image, method for manufacturing toner, and developer for developing electrostatic latent image

The present invention provides a toner, comprising a binder resin and a colorant, and having a plurality of absorption peaks in a wave number range of 400 to 4,000 cmin an infrared absorption spectrum, wherein among the plurality of absorption peaks, a maximum absorption peak appears at wave number ranging from 500 to 800 cmand, given that the intensity of the maximum absorption peak is P1 and that the intensity of a second greatest absorption peak is P2, P1 and P2 satisfy the following equation (1), a developer comprising this toner, an image forming method using this toner, and an image forming apparatus using this toner.&#x2003;&#x2003;Equation (1)

Toner having specific relation between absorption spectra, and developer, image forming method and image forming apparatus using same

A magnetic toner comprising a binder resin having dispersed therein a magnetic powder is disclosed, wherein the magnetic toner has a volume average particle diameter (D.sub.50) of from 4 to 9 .mu.m, the magnetic powder has a number average particle diameter of from 0.15 to 0.25 .mu.m (hereinafter simply referred to as a particle diameter), a BET specific surface area of from 6 to 8 m.sup.2 /g, and a residual magnetization of from 7 to 10 emu/g, the magnetic powder is present in an amount of from 30 to 70% based on the total weight of the magnetic toner, and the magnetic toner has adhered to the surface thereof silica powder having been rendered hydrophobic. The magnetic toner exhibits superior performance in terms of image density, definition, dot and fine line reproducibility, and environmental stability.

Magnetic toner

A toner for development of a latent electrostatic image containing a colorant and a binder resin formed of a mixture of a low-molecular weight component and a high-molecular weight component. Both the low-molecular weight component and high-molecular weight component are made from a styrene-acrylic copolymer where the weight ratio (A) of styrene to acrylic monomer in the low-molecular weight polymer component and an the weight ratio (B) of styrene to acrylic monomer in the high-molecular weight polymer component satisfies the relationship A/B.ltoreq.1.3. The mixing ratio of the low-molecular weight and high-molecular weight components is within the range of from 80:20 to 40:60. The weight-average molecular weight (Mw) and the number-average molecular weight (Mn) of the low-molecular weight polymer component satisfies the relationship Mw/Mn.ltoreq.3.0.

Functionally seprated type toner for fixing with heated rolls

A carrier for a developer is disclosed, comprising a carrier core containing a binder resin and a magnetic powder as essential components, and a coating layer provided on the surface of the carrier core, the coating layer containing a polymer obtained by polymerizing a charge controlling monomer in the presence of polyolefin.

Carrier for developer

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Kanagawa, Japan

Emi Takahashi