Fujifilm Business Innovation Corp.

Sony Corporation

Yoshino Gypsum Co., Ltd.

Fuji Xerox Co., Ltd.

The Japan Steel Works, Ltd.

Nec Corporation

Mitsubishi Chemical Corporation

Sony Computer Entertainment Inc.

Sumitomo Bakelite Company Limited

Japan Display Inc.

Ebara Corporation

Mitsubishi Power, Ltd.

Nec Casio Mobile Communications, Ltd.

Mitsubishi Shipbuilding Co., Ltd.

Yusuke Watanabe

Tomoko Suzuki

Kenta Shingu

Tomoya Hasegawa

Takuji Yamashita

Ushio Sudo

Tomotake Inagaki

Hideaki Ohara

Satoya Sugiura

Hideyuki Matsunaga

Kakeru Kusada

Masakatsu Takizawa

Hirotaka Suzuki

Toshiyasu Yukawa

Daisuke Tano

Haruto Takeda

Ryohei Yoshikawa

Kuniaki Noda

Takuya Teranishi

Masahiro Ichino

Akira Oota

Tetsuo Makida

Satoru Miyaki

Youhei Sawamura

Natsumi Mukouzaka

Wataru Yamada

Shingo Kataoka

Yoshiro Yamashita

Hidemasa Yamaguchi

Junji Kunisawa

Masato Imai

Seiji Kagawa

Naoyuki Kamiyama

Minoru Rokutan

Tatsuto Nagayasu

Satoru Sugita

Taketoshi Hoshizaki

Makoto Ochiai

Shinya Yamamoto

Shogo Hayashi

Shinobu Sugioka

Hisajiro Nakano

Fumihito Shibano

Yuka Kawamoto

Koji Koizumi

Tetsu Ushiku

Yukiko Kamijo

Yasuhito Nagaki

Naoki Ueda

Kazuki Miura

Mitsuru Kutsuwada

Ryozo Sasaki

Michiaki Matsuda

Sayaka Inoue

Fuyuki Ogaki

Yoshihiro Takihana

Keiko Matsuki

Tukasa Yoshimura

Ryusei Taya

An endless belt includes a base material layer, the base material layer containing a polymer material and conductive particles, wherein in a section of the base material layer in a thickness direction, the conductive particles have an area ratio of 9.0% or more and 14.5% or less, an average value of areas of Delaunay triangles taking centers of gravity of the conductive particles as vertices is 0.10 μmor more and 0.90 μmor less, and a standard deviation of the areas is 0.010 μmor more and 0.080 μmor less.

Endless belt, belt unit, and image forming apparatus

A belt cleaning blade has a contact part that is brought into contact with at least a surface of a belt which is a member to be cleaned, in which the contact part is configured of polyurethane rubber containing a hard segment and a soft segment, and in a surface of the contact part, a proportion Hoccupied by domains of the hard segment is 15.2% or more and 26.1% or less, and a proportion Hoccupied by an area of the domains of the hard segment having an area of 200 nmor more and 1,000 nmor less to a total area of the domains of the hard segment in the surface is 38.9% or more and 60.8% or less.

Belt cleaning blade, image forming apparatus, and transfer device

A belt cleaning blade has a contact site that comes into contact with at least a surface of a belt which is a member to be cleaned, in which the contact site is configured with polyurethane rubber including hard segments and soft segments, and in a cross section of the contact site, a ratio X of domains of the hard segments to a total area of the cross section is 14.9% or more and 25.1% or less, and a ratio Y of an area of domains of the hard segments having an area of 200 nmor more and 1,000 nmor less to a total area of the domains of the hard segments in the cross section is 17.8% or more and 46.5% or less.

Belt cleaning blade, photoreceptor cleaning blade, image forming apparatus, transfer device, and cleaning device

A clip that fixes a ceiling joist intersecting a ceiling joist receiver to the ceiling joist receiver, includes: a top portion having a width of the ceiling joist receiver; a first hanging portion hanging down from one end of the top portion, and provided with, at a lower portion, first engaging projections extending left and right to engage the ceiling joist; and a second hanging portion hanging down from another end of the top portion, and provided with, at a lower portion, second engaging projections extending left and right to lock the ceiling joist. The first hanging portion has a length longer than that of the second hanging portion, and a recess extending in a direction toward the second hanging portion is provided at an intermediate position of the first hanging portion.

Clip, ceiling base, and method for constructing same

An image forming apparatus includes a photoconductor, a charging section that charges a surface of the photoconductor, an electrostatic charge image forming section that forms an electrostatic charge image on the charged surface of the photoconductor, a developing section that accommodates a developer containing a toner and develops the electrostatic charge image formed on the surface of the photoconductor by using the developer to form a toner image, a transfer section that includes an endless belt and transfers the toner image to a recording medium; and a cleaning section that includes a cleaning blade that comes into contact with a surface of the endless belt and performs cleaning of the surface of the endless belt with the cleaning blade, in which a dynamic friction coefficient μ between the endless belt and the cleaning blade is 0.10 or more and 0.25 or less, and the endless belt has an outer peripheral surface on which an uncharged toner is scattered by a wind force of wind pressure of 23 kPa or smaller at a temperature of 22° C. and relative humidity of 55%.

Image forming apparatus and transfer unit

An iron-based sintered alloy, which has a composition including, in terms of percent by mass, Ti: 18.4 to 24.6%, Mo: 2.8 to 6.6%, C: 4.7 to 7.0%, Cr: 7.5 to 10.0%, Ni: 4.5 to 6.5%, Co: 1.5 to 4.5%, Al: 0.6 to 1.0%, the balance being Fe and unavoidable impurities, wherein the alloy has a structure in which hard particles are dispersed in an island form in a matrix, among other characteristics.

Iron-based sintered alloy and method for producing the same

An endless belt includes a base material layer containing a polymer material and conductive particles, wherein, in an image obtained by observing a cross section taken along a thickness direction of the base material layer with an atomic force microscope, a proportion of a total area Ap of cross sections of all the conductive particles is 9.0% or more and 14.5% or less with respect to a total cross-sectional area At of the base material layer, and a proportion of a total area Ab of cross sections of conductive particles having an area of 0.01 &#x3bc;mor more among cross sections of the conductive particles is 28.0% or more and 65.0% or less with respect to the total area Ap of cross sections of all the conductive particles.

A cleaning device includes: a plurality of rollers that hold a peripheral edge part of a substrate; a rotation driving unit that rotates the substrate by rotationally driving the plurality of rollers; a cleaning member that abuts on the substrate and cleans the substrate; a cleaning liquid supply nozzle that supplies a cleaning liquid to the substrate; a microphone that detects a sound generated when a notch of the peripheral edge part of the substrate hits the plurality of rollers; and a rotation speed calculation unit that calculates a rotation speed of the substrate on the basis of the sound detected by the microphone.

Cleaning device, polishing device, and device and method for calculating rotation speed of substrate in cleaning device

Construction clip

An electrophotographic photoreceptor includes: a conductive base body and a photosensitive layer, in which an outermost surface layer of the electrophotographic photoreceptor contains fluorine-containing resin particles, and in which a fluorine atom concentration at a surface of the outermost surface layer is 1.5 to 5.0 times a fluorine atom concentration at a depth of 1 &#x3bc;m from the surface of the outermost surface layer, or in which a number density ratio of aggregates of the fluorine-containing resin particles in a second region defined in this specification, to aggregates of he fluorine-containing resin particles in a first region defined in this specification is less than 0.95, and a ratio of an area ratio of the fluorine-containing resin particles in the second region, to an area ratio of the flourine-containing resin particles in the first region is within a range of 1&#xb1;0.1.

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

A molding material that enables acquirement of a fiber-reinforced composite material which has excellent demoldability from a mold and excellent surface appearance, which contaminates a mold surface after molding less, and which has excellent mechanical properties and heat resistance; and a fiber-reinforced composite material which has excellent demoldability from a mold and surface appearance, which contaminates a mold surface after molding less, and which has excellent mechanical properties and heat resistance, are provided. A molding material of the present invention includes a component (A): an epoxy resin; a component (B): an epoxy resin curing agent; a component (C): a compound that has a solubility parameter of 11.2 or less and a melting point of 115&#xb0; C. or lower; and a reinforcement fiber.

Molding material and fiber-reinforced composite material

A fixing member includes a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and including Cu; a second metal layer that is provided on the outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of 0.80 to 1.30 for a (111) plane, 0.80 to 1.50 for a (200) plane, and 0.70 to 1.30 for a (311) plane; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.

Fixing member, fixing unit, and image forming apparatus

Growing community of inventors

Tokyo, Japan

Yusuke Watanabe