Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Kyocera Document Solutions Inc.

Panasonic Intellectual Property Management Co., Ltd.

Kaken Pharmaceutical Company, Ltd.

Kyocera Mita Corporation

Asahi Glass Company, Limited

Mita Industrial Co., Ltd.

The University of Tokyo

Takahiko Murata

Shigetaka Kasuga

Takumi Yamaguchi

Takayoshi Yamada

Ai Takagami

Masaki Kadota

Maki Ike

Shinji Fujiwara

Yoshihisa Kato

Mitsuyoshi Mori

Koji Motomura

Eiichiro Tanaka

Masahiro Amakawa

Yasushi Matsumura

Hiroto Sumida

Tetsuroh Nakamura

Yosuke Saito

Takatoshi Mitsushima

Tetsuro Nakamura

Nobuyuki Hayashi

Yuka Kajita

Kouki Hongou

Shin Teradaira

Katsuhiko Konishi

Toshiya Fujii

Shinjiro Tsuji

Koichi Hayashi

Hisashi Mukataka

Yoshimi Shimizu

Shigeki Tsukahara

Keiji Fujiwara

Takumi Yamaguti

Yoshiyuki Matsunaga

Masanobu Maeshima

Ryohei Miyagawa

Shinzo Koyama

Hiroyuki Hazama

Makoto Egi

Kozo Odawara

Kazufumi Yamaguchi

Masayuki Ishii

Tadashi Ohyama

Haruyoshi Ueo

Kiyotaka Kobayashi

Takahiro Kurokawa

Akira Kabeshita

Yutaka Hirose

Masaru Watanabe

Yoshihiro Yamagishi

Shinji Yoshida

Shinji Kanayama

Koji Eto

Eiichi Miyamoto

Minoru Wada

Yasunori Yamamoto

Masashi Fujishima

Eiji Nimura

Keiko Fujita

Mitsuhiro Goda

Koji Suenami

Susumu Hanano

Kanako Morimoto

Hirofumi Tsuji

Tetsuro Kawashima

Yoshito Ikeda

Nariaki Tanaka

Hiroyuki Hamakawa

Kouji Ikeda

Kazuto Nishida

Chisato Hatakeyama

Hiromitsu Nakauchi

Kenichi Nishino

Hideo Nakamori

Takashi Terada

Norio Tomiie

Katsuya Ota

Satoshi Uemura

Takahiro Iwasawa

Asami Kotera

Hideya Muramoto

Yukinori Akiyama

Tomotaka Nishimoto

Ryouichirou Katano

Hirotsugu Ogawa

Seiji Kado

Masayuki Ida

Takaaki Kamei

Atsushi Ueta

Satoshi Ohnakada

Nobuhiro Nishizaki

Tomohiko Kubo

Kazuhiro Kimura

Ryoko Ohnishi

There is provided a filter which includes a fiber layer and an adsorbent. The fiber layer includes fiber. The adsorbent is held in the fiber and adsorbs a chemical substance. The filter is divided into a plurality of sections by a fold. Each of the plurality of sections includes a first end portion positioned along the fold, a center portion adjacent to the first end portion, and a second end portion which counterposes the first end portion with the center portion interposed. The density of the adsorbent at the center portion is greater than the density of the adsorbent at the first end portion and at the second end portion.

Filter

There is provided a stacked body which includes a porous base layer, a porous charged layer, a very fine-fiber layer, and an adsorbent. The base layer is configured with base fiber. The charged layer is configured with charged fiber. The very fine-fiber layer is interposed between the base layer and the charged layer and includes very fine fiber. The adsorbent is held in the very fine fiber and adsorbs a chemical substance. An average fiber diameter of the charged fiber is greater than an average fiber diameter of the very fine fiber.

Stacked body

A fiber laminate includes a first fiber sheet containing first fibers, a second fiber sheet laminated on the first fiber sheet and containing second fibers, and an adhesive interposed between the first fiber sheet and the second fiber sheet. The adhesive is disposed to form a linear first region in the fiber laminate when viewed from a normal direction of a principal surface of the fiber laminate. The first fiber sheet and the second fiber sheet are adhered to each other via the first region. A gap is formed between the first fiber sheet and the second fiber sheet in a second region other than the first region.

Fiber laminate and manufacturing method thereof

A laminated nonwoven fabric includes a first nonwoven fabric that comprises first fibers, and a second nonwoven fabric that comprises second fibers. The second nonwoven fabric is laminated on the first nonwoven fabric. An average fiber diameter Dof the first fibers and an average fiber diameter Dof the second fibers satisfy a relation of D&#x3e;D. In viewed from a side of a principal surface of the second nonwoven fabric being not opposed to the first nonwoven fabric, a total area of first portions of the second fibers superimposed on the first fibers and existing on the nearer side than the first fibers is larger than a total area of second portions of the second fibers existing and superimposed on voids S of the first nonwoven fabric formed of the first fibers.

Laminated nonwoven fabric and air purifier

A laminated nonwoven fabric includes a first nonwoven fabric containing first fibers, a second nonwoven fabric containing second fibers, a third nonwoven fabric containing third fibers, and an adhesive. The second nonwoven fabric is laminated on the first nonwoven fabric, and the third nonwoven fabric is laminated on the second nonwoven fabric on an opposite side with respect to the first nonwoven fabric. The adhesive is disposed between the first nonwoven fabric and the third nonwoven fabric. An average fiber diameter of the second fibers is equal to or less than 3 &#x3bc;m, and is smaller than an average fiber diameter of the first fibers. The third nonwoven fabric has a protrusion including a part of the third fibers entangled with each other on a surface facing the second nonwoven fabric. At least a part of the adhesive is disposed between the protrusion and the first nonwoven fabric.

This electrophotographic photosensitive body () comprises a supporting body () and a photosensitive layer () that is formed on the surface of the supporting body (). The surface of the photosensitive layer () has an arithmetic mean roughness Ra within the range of from 20 nm to 100 nm (inclusive), a ten-point average roughness Rz within the range of from 0.2 &#x3bc;m to 1.0 &#x3bc;m (inclusive) and a mean spacing of profile irregularities Sm of 20 &#x3bc;m or less in the initial stage of use.

Electrophotographic photosensitive body and image forming apparatus provided with same

An image forming apparatus includes: an image carrier; a developing device forming a toner image on the image carrier; a transfer section arranged at downstream from the developing device in a rotation direction of the image carrier and transfers the toner image onto a recording sheet; a fixing section arranged at downstream from the transfer section in a conveyance direction of the recording sheet and fixes the toner image transferred to the recording sheet on the recording sheet; an air path guiding air taken from an outside of the image forming apparatus to the developing device; and a control section that, when operating the developing device under a cooling mode for cooling the developing device, controls the developing device and causes the developing device to reduce an amount of developer on a developing roller so as to be smaller than that of under image forming operation.

Image forming apparatus that cools inside of apparatus

An image forming apparatus includes: an image carrier; a developing device; a transfer section; a fixing section; a conveyance path through which a recording sheet is conveyed; an air path guiding air taken from an outside of the apparatus to the conveyance path and the developing device; an adjustment member arranged at an outlet port of the air path, branching the air flowing through the air path into directions toward the conveyance path and the developing device, and adjusting volume of the air flowing toward each direction; and a control section controlling the adjustment member in accordance with conveyance status of the recording sheet in the conveyance path, and when no recording sheet exists in the conveyance path, causing the adjustment member to branch the air flowing through the air path so that more air flows toward the developing device than the conveyance path.

Image forming apparatus that suppresses temperature rise in developing device

A solid-state imaging device includes: a pixel unit in which a plurality of unit pixels is arranged in rows and columns, the unit pixels performing photoelectric conversion of incident light to generate pixel information; and a secondary memory unit in which a plurality of unit memories is arranged in rows and columns, the unit memories holding the pixel information, wherein each of the columns in the secondary memory unit includes, as a unit memory block, the unit memories in the column, the secondary memory unit includes: a memory signal line provided for each of the columns in the memory unit; and a selection transistor provided between the unit memory block and the memory signal line, and shared by the plurality of unit memories in the unit memory block.

Solid-state imaging device, method for driving solid-state imaging device, and imaging device

An image forming apparatus includes an image carrying member, a driving device, a charging member, a cleaning member, a voltage applying device, a torque detector for detecting the torque of the driving device, a storage for storing a predetermined torque value Tc, and a control portion. The control portion obtains as Ton the torque when the charging voltage is applied to the charging member and obtains as Toff the torque when no charging voltage is applied to the charging member. Let the torque observed when no charging voltage is applied at an early stage of use of the image carrying member be represented by Toff(0), then, when the relations Toff(0)&#x3c;Toff and Tc&#x3c;Ton/Toff hold, the control portion determines that the degree of smoothness of the surface of the image carrying member is equal to or higher than a predetermined degree of smoothness.

Image forming apparatus

An image forming apparatus includes an image carrying member, a driving device, a charging member, a cleaning member, a voltage applying device, a braking distance detector, a storage for storing a predetermined braking distance value Lc, and a control portion. The control portion obtains as Lon a braking distance when a charging voltage is applied to the charging member and obtains as Loff a braking distance when no charging voltage is applied to the charging member. Let the braking distance observed when no charging voltage is applied at an early stage of use of the image carrying member be represented by Loff(0), then, when the relations Loff&#x3c;Loff(0) and Lc&#x3c;Loff/Lon hold, the control portion determines that the degree of smoothness of the surface of the image carrying member is equal to or higher than a predetermined degree of smoothness.

Image forming apparatus provided with an image carrying member that has a toner image formed on its surface

An image forming device includes an image carrier on the surface of which a toner image is formed, a cleaning member arranged in contact with, for cleaning, the surface of the image carrier, a charging member for electrostatically charging the image carrier, a bias applying device, and a control portion. The bias applying device applies a charging bias having DC and AC biases superimposed on each other to the charging member. The control portion controls the charging bias applied to the charging member by the bias applying device. As the AC bias applied to the charging member, the control portion uses, in a first period from the start of use of the image carrier to a predetermined time thereafter, a first AC bias and, in a second period subsequent to the first period, a second AC bias higher than the first AC bias.

Image forming apparatus with charging member that electrostatically charges image carrier

An image forming apparatus includes image forming units, static eliminating sections, a mode switching section, and an exposure switching section. The static eliminating sections outputs first and second light. The mode switching section switches a state a between a first mode in which all of the image forming units are operated and a second mode in which only a first image forming unit is operated. In a second image forming unit located upstream next to the first image forming unit, the exposure switching section causes the image bearing member of the second image forming unit not to be irradiated with the first light and causes the image bearing member of the first image forming unit to be irradiated with the second light in the second mode.

An image forming apparatus has an image carrying body, a first electrically conductive member, a bias application device, and a controller. The first electrically conductive member makes contact with the photosensitive layer of the image carrying body The bias application device applies a bias containing an AC bias to the first electrically conductive member. The controller controls the bias application device. The image forming apparatus can execute, while no image formation is being performed, a temperature raising mode in which, with the first electrically conductive member in contact with the image carrying body outside the image formation region, an AC bias having a peak-to-peak value twice as high as the discharge start voltage between the first electrically conductive member and the image carrying body is applied to the first electrically conductive member to raise the temperature of the surface of the image carrying body.

Image forming apparatus including moisture removal mechansism for removing mositure on surface of photosensitive drum

A composition for maintaining a function of platelets, the composition comprising, as an active ingredient, a compound represented by the following general formula (I) or a salt thereof, or a solvate thereof: wherein

Composition for maintaining function of platelets

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Osaka, Japan

Takahiko Murata