Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Chiba University

Mitsubishi Denki Kabushiki Kaisha

Wataru Yamada

Katsumi Nukada

Masahiro Iwasaki

Takatsugu Doi

Kenji Kajiwara

Yuko Iwadate

Tomoya Sasaki

Hidekazu Hirose

Keisuke Kusano

Tsuyoshi Miyamoto

Kazuhiro Koseki

Yuto Okazaki

Ryosuke Fujii

Kenya Sonobe

Taisuke Fukui

Takayuki Yamashita

Kota Maki

Kenji Yao

Akira Hirano

Takahiro Suzuki

Takeshi Iwanaga

Satoya Sugiura

Taketoshi Hoshizaki

Katsuyoshi Hoshino

Hitoshi Takimoto

Sakae Takeuchi

Hiroyoshi Okuno

Hideaki Yoshikawa

Yasunobu Kashima

Mieko Seki

Kana Miyazaki

Kenta Shingu

Akihiro Kawasaki

Atsushi Sugitate

Koji Bando

Naoto Higuchi

Masataka Nagahori

Mitsuhide Nakamura

Rie Ishii

Hideyuki Takasago

Aya Sawai

Yukiko Furushiro

Takayuki Ito

Takashi Imai

Hirofumi Nakamura

Katsumi Daimon

Takahiro Ishizuka

Takeshi Agata

Kiyokazu Mashimo

Tomoko Suzuki

Hirohito Yoneyama

Yusuke Watanabe

Yasuhiro Yamaguchi

Masakazu Iijima

Kazuya Hongo

Kazuhiko Yanagida

Tomozumi Uesaka

Hidekazu Yaguchi

Shogo Tomari

Suguru Nakaso

Tadashi Suto

Kenta Ide

Yoshiteru Yamada

Yukiko Kamijo

Yoshinari Ueno

Monta Ido

Kiyoshi Chatani

Ryo Sekiguchi

Makoto Kanai

Kanji Shintaku

Tomoya Oki

Natsumi Kaneko

Yuki Oyamada

Kohei Hashimoto

Keiko Matsuki

Minako Tachiki

Rihito Tamura

Kenta Horikoshi

Takahiro Nakamura

Kaori Iemula

Shingo Suda

Yasuhiro Nida

An image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate and a photosensitive layer disposed on the conductive substrate, the electrophotographic photoreceptor having an outermost surface layer that contains a binder resin, a charge-transporting material, and a fluorine-containing resin particle, the fluorine-containing resin particle containing 0 or more and 30 or less carboxy groups per 10carbon atoms, a charging device that charges the electrophotographic photoreceptor, an electrostatic latent image forming device that forms an electrostatic latent image on the electrophotographic photoreceptor that is charged, a developing device that houses a developer containing a toner and that develops, with the developer, the electrostatic latent image formed on the electrophotographic photoreceptor into a toner image, a transfer device that transfers the toner image onto a transfer-receiving medium, and an optical discharging device that, after the toner image is transferred onto the transfer-receiving medium and before the electrophotographic photoreceptor is charged, irradiates the electrophotographic photoreceptor with discharging light with a light quantity of 1.0 μW or more and 50.0 μW or less to perform discharging.

Image forming apparatus and process cartridge

A conductive member contains silicone rubber and a conductive agent. The total content of cyclic dimethylpolysiloxane having 3 to 24 silicon atoms in the conductive member is 5000 ppm or less.

Conductive member, bioelectrode, and biosignal measuring device

An electrophotographic photosensitive member includes a conductive support and a photosensitive layer disposed on the conductive support. A top surface layer of the electrophotographic photosensitive member includes fluorine-containing resin particles, a fluorine-containing dispersant, and two or more charge transporting materials. When the charge transporting materials are listed in order of decreasing HOMO energy levels, a difference in HOMO energy level between each adjacent two of the charge The ratio A of the amount of each of the charge transporting materials to the total amount of the charge transporting materials satisfies the condition 1 below,[(100/)&#x2212;(100/&#xd7;0.3)]&#x2264;&#x2264;[(100/)+(100/&#xd7;0.3)]&#x2003;&#x2003;Condition 1

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

A liquid composition includes a thiophene polymer; and at least one polymerization component selected from the group including a monomer and an oligomer.

Liquid composition, metallic luster film, and article

A composition for forming a metallic luster film, includes: a thiophene polymer, in which a total content of an Fe atom, a Cu atom, an Mn atom, a Cr atom, and a Ce atom in the composition for forming a metallic luster film is 1500 ppm or less with respect to the thiophene polymer.

Composition for forming metallic luster film, metallic luster film, and article

A fluorine-containing resin particle contains 0 or more and 30 or less carboxyl groups per 10carbon atoms and 0 ppm or more and 3 ppm or less of a basic compound.

Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus

A thermoelectric conversion element includes: a thermoelectric conversion layer containing a thiophene polymer, in which a peak intensity of a diffraction angle (2&#x3b8;) of 7.9&#xb0; is 5 times or more a peak intensity of a diffraction angle (2&#x3b8;) of 25.8&#xb0; in an X-ray diffraction spectrum of the thermoelectric conversion layer.

Thermoelectric conversion element and article having thermoelectric conversion element

An electrode includes a living body contact portion that is to be in contact with a living body and that contains a rubber material and at least one carbon material selected from carbon nanotubes and graphene. The ratio of the volume resistivity of the living body contact portion to the surface resistivity of the living body contact portion is 1.2 or more. The amount of the carbon material in the living body contact portion is 3 parts by mass or more and 20 parts by mass or less relative to 100 parts by mass of the rubber material, or the living body contact portion has a 25% compression hardness of 20 kPa or more and 110 kPa or less.

Electrode and biosignal measuring device

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The outermost surface layer of the electrophotographic photoreceptor contains fluorine-containing resin particles, a fluorine graft polymer, and an acidic compound having an acid dissociation constant (pKa) of 3 or less in water at 25&#xb0; C. The amount of the acidic compound relative to the outermost surface layer is 100 ppm or more and 10000 ppm or less.

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The electrophotographic photoreceptor has an outermost surface layer that contains fluorine-containing resin particles and a fluorine-containing graft polymer. The fluorine-containing resin particles contain 0 or more and 30 or less carboxy groups per 10carbon atoms. The outermost surface layer has a dielectric constant of 3.75 or more and 3.90 or less. The contact angle of pure water on the outermost surface layer is 90&#xb0; or more.

A polyimide precursor solution contains a polyimide precursor, wherein in the case where the polyimide precursor is analyzed by gel permeation chromatography, the elution curve of the polyimide precursor has a region A including a higher-molecular-weight peak and a region B including a lower-molecular-weight peak; a weight average molecular weight determined from the region A in terms of polystyrene is approximately 10,000 or more, and a weight average molecular weight determined from the region B in terms of polystyrene is approximately less than 10,000; and when the area of the region A is a and the area of the region B is b, the polyimide precursor satisfies Equation (1)/()=approximately from 0.70 to 0.98.&#x2003;&#x2003;Equation 1:

Polyimide precursor solution and polyimide shaped article

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The electrophotographic photoreceptor has an outermost surface layer that contains fluorine-containing resin particles and an antioxidant. The fluorine-containing resin particles contain 0 or more and 30 or less carboxy groups per 10carbon atoms. A decrease in weight of the antioxidant when heated at 150&#xb0; C. for 10 minutes in an air atmosphere is 40 mass % or less.

An endless belt includes a polyimide resin layer containing a polyimide resin containing two or more components derived from tetracarboxylic dianhydrides and/or two or more components derived from diamine compounds; and at least one solvent selected from a solvent group A consisting of urea-based solvents, alkoxy-group-containing amide-based solvents, and ester-group-containing amide-based solvents in an amount of from about 50 ppm to about 2,000 ppm.

Endless belt, image-forming apparatus, endless belt unit, and polyimide resin molded product

An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification. 

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Kanagawa, Japan

Wataru Yamada