Ricoh Company, Ltd.

Masana Shiba

Rintaro Takahashi

Hiroshi Yamashita

Tsuyoshi Sugimoto

Junichi Awamura

Kazumi Suzuki

Naohito Shimota

Yoshitaka Yamauchi

Daisuke Asahina

Tatsuya Morita

Azumi Miyaake

Tomoki Murayama

Yukari Fukuda

Daisuke Inoue

Naohiro Watanabe

Ryota Inoue

Satoshi Ogawa

Shingo Sakashita

Satoyuki Sekiguchi

Yoshitsugu Kimura

Masaki Watanabe

Nozomu Tamoto

Yuuji Tanaka

Tamotsu Horiuchi

Tsuneyasu Nagatomo

Ryuta Chiba

Hiroshi Hosokawa

Shinya Nakayama

Hiroshi Yamada

Kenji Kikuchi

Satoshi Kojima

Shinji Tamaki

Yasuaki Iwamoto

Shunji Katoh

Hiroshi Ikeguchi

Michiharu Suzuki

Taichi Nemoto

Naomichi Kanei

Hyo Shu

Shinichi Wakamatsu

Takahiro Ide

Susumu Chiba

Akio Takei

Shinsuke Nagai

Masaya Fukuda

Chihiro Kikuchi

Tetsuya Honda

Saki Konno

A solar cell module includes a first substrate and a plurality of photoelectric conversion elements disposed on the first substrate. Each of the plurality of photoelectric conversion elements includes a first electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode. In at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers are extended continuous layers; and the first electrodes, the electron transport layers, and the perovskite layers in the at least two of the photoelectric conversion elements adjacent to each other are separated by the hole transport layer. The hole transport layer includes, as hole transport material, a polymer having a weight average molecular weight of 2,000 or more or a compound having a molecular weight of 2,000 or more.

Solar cell module, electronic device, and power supply module

Provided is a photoelectric conversion element including a first electrode, an electron-transporting layer, a hole-transporting layer, and a second electrode, wherein the hole-transporting layer and the second electrode are in contact with each other, and the hole-transporting layer satisfies the following formula:0%&#x3c;(50)&#x2264;0.75%where an average thickness of the hole-transporting layer is determined as X (nm), and Rc(50) is a ratio of an area of projected parts that are projected from a standard line towards the second electrode, where the standard line is present at a position that is away, by X+50 (nm), from an opposite surface of the hole-transporting layer to a surface of the hole-transporting layer in contact with the second electrode.

Photoelectric conversion element, photoelectric conversion element module, electronic device, and power supply module

A toner including a binder resin, wherein a toner extract obtained by drying an extraction liquid obtained through Soxhlet extraction of the toner with tetrahydrofuran (THF) has glass transition temperature Tg in a range of from 35&#xb0; C. through 55&#xb0; C., and a moisture-content change rate of the toner extract before and after leaving the toner extract to stand for 3 days in an environment of 40&#xb0; C. and 70% RH is 0.5% or less, and wherein a specific-surface-area change rate of the toner before and after leaving the toner to stand for 3 days in an environment of 40&#xb0; C. and 70% RH is in a range of from 15% through 50%.

Toner, toner stored unit, and image forming apparatus

A toner comprising a binder resin and a release agent, wherein the toner has a difference of 30 or less between a maximum value and a minimum value among peak intensities in a range of Molecular weight M&#xb1;300 where Molecular weight M is a molecular weight selected from a range of from 300 through 5,000 in a molecular weight distribution of tetrahydrofuran (THF)-soluble components in the toner as measured by gel permeation chromatography (GPC), and wherein the peak intensities are defined as relative values assuming a maximum peak value in molecular weights of 20,000 or less is 100, in a molecular weight distribution curve taking an intensity as a vertical axis and a molecular weight as a horizontal axis as measured by GPC.

A toner including a binder resin and a release agent, wherein the toner has a component soluble in a 50% by mass aqueous methanol solution in an amount of 0.10% by mass to 0.60% by mass, and wherein the toner has a flowing-out beginning temperature (Tfb) of 55.0&#xb0; C. to 100.0&#xb0; C. as determined by a flowtester method.

Toner, image forming apparatus, and process cartridge

A toner, including: a binder resin; and a colorant, wherein the toner has a storage modulus of 1.0&#xd7;10Pa or more at 50&#xb0; C., a loss modulus of 8.0&#xd7;10Pa to 2.0&#xd7;10Pa at 80&#xb0; C., and a loss modulus of 2.0&#xd7;10Pa to 1.0&#xd7;10Pa at 160&#xb0; C.

Toner, developer, and color toner set

A magenta toner for electrophotography, including:

Magenta toner, developer, and image forming apparatus

Provided is a toner, including: a crystalline resin; and a colorant, wherein the toner has a sea island structure in which a crystal region containing the crystalline resin is formed as a sea, and a non-crystalline region containing the colorant is formed as an island.

Toner, developer, and image forming apparatus

To provide an electrophotographic toner, which contains a crystalline resin, a non-crystalline resin, a colorant, and a releasing agent, wherein the toner has a storage elastic modulus of 5.0&#xd7;10Pa to 5.0&#xd7;10Pa at 80&#xb0; C., and a storage elastic modulus of 2.0&#xd7;10Pa to 2.0&#xd7;10Pa at 140&#xb0; C., and wherein the toner has a ratio (C)/((C)+(A)) of 0.10 or greater, where (C) is an integrated intensity of a diffraction spectrum derived from a crystalline structure, (A) is an integrated intensity of a diffraction spectrum derived from a non-crystalline structure, and the diffraction spectrum is a diffraction spectrum of the toner as measured by an X-ray diffraction spectrometer.

Electrophotographic toner, two-component developer containing toner, and image forming apparatus

A toner, including: a crystalline resin; a non-crystalline resin; and a colorant, wherein the toner has a sea-island structure which includes a sea containing the crystalline resin and an island containing the non-crystalline resin and the colorant, wherein the island is 1.0 &#x3bc;m or less in domain diameter, and wherein the toner is 1.7&#xd7;10Pa or less in storage elastic modulus at 160&#xb0; C.

Toner, method for producing the toner, two-component developer, and image forming apparatus

To provide a toner, which contains a colorant, a binder resin, and a releasing agent, wherein the toner satisfies the following (a) to (c): (a) the toner contains at least a polyester resin as the binder resin; (b) the toner has Tg1st of 25&#xb0; C. to 50&#xb0; C.; and (c) the toner has a TMA compressive deformation rate (TMA %) of 10% or lower at 50&#xb0; C. under a condition having relative humidity of 70%, wherein the Tg1st is glass transition temperature of the toner for first heating, as the toner is measured by a DSC system (a differential scanning calorimeter).

Toner for forming electrostatic image, developer, process cartridge, and image forming apparatus

A toner housing container includes: a container body housing a toner; a conveying portion; a pipe receiving port; and an uplifting portion. Flow rate index of the toner measured by powder rheometer and represented by 'flow rate index=(total energy at a rotation speed of 10 mm/s)/(total energy at a rotation speed of 100 mm/s)' is in a range of '1.8&#x2266;flow rate index&#x2266;6.5'. Container body includes protruding portion protruding from container body interior side of container opening portion toward one end of container body. Uplifting portion includes: uplifting wall surface extending from container body internal wall surface toward protruding portion; and curving portion curving to conform to protruding portion. When the toner housing container is mounted on the toner conveying device, the protruding portion is present between the curving portion and the toner receiving port of the conveying pipe being inserted.

Toner housing container and image forming apparatus

A toner contains a binder resin, a colorant, and a releasing agent, wherein the toner contains toner particles, and wherein a proportion of the toner particles containing one or more voids having diameters Dof larger than 0.0 &#x3bc;m but 0.5 &#x3bc;m or smaller is more than 5.0% to 60%, and a proportion of the toner particles containing one or more voids having diameters Dof 1.0 &#x3bc;m or larger is 10% or less.

White toner contains a binder resin, a white pigment, and a releasing agent, wherein the white pigment is coated with the releasing agent and dispersed in the binder resin.

White toner, method for producing the same, and development agent, recording medium, printed matter, and image forming apparatus using the same

A yellow toner including: a non-crystalline resin; C.I. Pigment Yellow 185; and a releasing agent, wherein the yellow toner has a glass transition temperature of more than 18&#xb0; C. but less than 40&#xb0; C.

Yellow toner and color image forming method

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Shizuoka, Japan

Masana Shiba