Ricoh Company, Ltd.

Fumihiro Sasaki

Hiroto Higuchi

Toshiki Nanya

Naohito Shimota

Masami Tomita

Shinichiro Yagi

Shigeru Emoto

Yasuaki Iwamoto

Hiroaki Matsuda

Tomoyuki Ichikawa

Hiroshi Nakai

Junichi Awamura

Satoshi Mochizuki

Hiroshi Yamada

Hisashi Nakajima

Yasuo Asahina

Shinya Nakayama

Osamu Uchinokura

Hideki Sugiura

Akihiro Kotsugai

Mitsuo Aoki

Koichi Sakata

Masayuki Ishii

Hiroshi Yamashita

Yoshiki Yamaguchi

Hajime Oyama

Toshio Koike

Masayuki Yamane

Takashi Okada

Masahide Yamashita

Kiyonori Tsuda

Masanori Suzuki

Kunihiro Ohyama

Hiroyuki Fushimi

Atsushi Sampe

Satoru Inoue

Daisuke Inoue

Tsuyoshi Sugimoto

Jun Okamoto

Satoshi Kojima

Naohiro Watanabe

Masaki Watanabe

Ryota Inoue

Tsunemi Sugiyama

Shinichi Kuramoto

Satoshi Ogawa

Maiko Kondo

Takahiro Honda

Bing Shu

Tomomi Suzuki

Tadao Takikawa

Kumi Hasegawa

Akemi Sugiyama

Hiroyuki Yoshikawa

Takuya Saito

Shinji Ohtani

Takeyoshi Sekine

Seiji Oka

Tomoko Utsumi

Tokuya Ohjimi

Kazuyuki Yazaki

Takahisa Kato

Junichi Sano

Hidefumi Gohhara

Tsuneyasu Nagatomo

Yasushi Koichi

Tomio Kondou

Yasushi Akiba

Kazuhito Watanabe

Hyo Shu

Teruki Kusahara

Tohru Suganuma

Sonoh Matsuoka

Nobuhiro Nakayama

Yoshihiro Suguro

Akio Matsui

Yoichiro Watanabe

Tetsuo Isoda

Susumu Kawakami

Hidetoshi Noda

Hironori Hata

Tsuyoshi Fukushima

Norio Yokoyama

Yutaka Sakai

Naoko Morisawa

Hyou Shu

Karumi Kakigawa

Megumi Sakakura

Koutaro Kitano

Naohito Bell Shine Takehara A-103 Shimota

Tomoyuki Dai6 Sumika Bldg 206 Ichikawa

Naohito Shimoda

A robot is configured to move in accordance with an operation instruction made by an operator via a network. The robot includes a moving image acquisition unit, a receiving unit, a movement destination predicting unit, and an autonomous control unit. The moving image acquisition unit is configured to capture, as a moving image, an environment around the robot. The receiving unit is configured to receive the operation instruction. The movement destination predicting unit is configured to predict a movement destination of the robot based on the operation instruction received by the receiving unit. The autonomous control unit is configured to autonomously correct movement to the movement destination in accordance with the operation instruction, based on information on the environment obtained from a moving image at an instant when the operation instruction is received.

Robot and control system

According to an embodiment, an image processing apparatus includes: a reading unit, a magnification change processing unit, a wait time acquiring unit, and a signal output unit. The reading unit reads image data from the memory line by line. The magnification change processing unit performs a magnification change process on the image data and outputs. The wait time acquiring unit acquires wait time information on a value corresponding to a wait time from when a synchronous signal, representing a start of read of the image data for each line, falls to when the magnification change process starts. The signal output unit outputs, to the reading unit, a permission signal indicating whether read of image data of a next line is permitted or denied based on the wait time information while the magnification change processing unit is outputting the image data.

Image processing apparatus, computer-readable storage medium, and image processing method for improving image data transfer

A data transfer device controls data transfer performed through a bus capable of separately processing a request and a response. The data transfer device include a plurality of access control units that produce a data transfer process according to the request; and an arbitration unit that performs arbitration between the requests issued by the plurality of access control units so as to determine a request to be accepted among those requests. The arbitration unit sets an arbitration prohibited period in which the arbitration is prohibited for a designated period and accepts only the request issued by a designated access control unit among the plurality of access control units during the arbitration prohibited period.

Data transfer device, method of transferring data, and image forming apparatus

The toner includes a binder resin; a colorant; and a release agent. The first inter-particle force Fp(A) of the toner, which is measured under an environmental condition of 23&#xb0; C. and 60% RH after the toner is pressed for 1 minute at 25&#xb0; C. under a compression stress of 15 kg/cm, is from 1.0&#xd7;10(N) to 1.0&#xd7;10(N). The difference (Fp(B)&#x2212;Fp(A)) between the second inter-particle force Fp(B) of the toner, which is measured under the environmental condition of 23&#xb0; C. and 60% RH after the toner is pressed for 1 minute at 50&#xb0; C. under a compression stress of 15 kg/cm, and the first inter-particle force Fp(A) is 0 (N) to 1.0&#xd7;10(N).

Toner, method for preparing the toner, and image forming method using the toner

The present invention relates to toner compositions containing: toner particles made of: binder resin; colorant; and a wax which is dispersed in the toner particles, where the toner composition satisfies relationship (2): B&#x2266;394&#x2212;400A' when 0.950&#x3c;A&#x2032;&#x2266;0.965 (2) where A&#x2032; represents an average circularity of the toner composition, B represents a content of toner particles having a particle diameter not greater than 3 &#x3bc;m expressed in % by number, and a concentration of the wax at a surface of the toner particles is larger than a concentration thereof in the center of the toner particles.

Toner, developer and image forming apparatus

There is provided a toner which contains at least a binder resin, and filler including a layered inorganic compound, wherein the layered inorganic compound is cleaved to form particles in the toner, and the particles have a breadth of 0.5 nm to 4 nm, and a length of 10 nm to 90 nm.

Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus

A toner includes a polyol-based resin having multiple hydroxyl groups in a molecular chain thereof in which a ratio of epoxy group to hydroxyl group is from 0.990 to 1.010. A stirring and transfer device satisfies 1000000&#x2266;&#x3b1;&#xd7;&#x3b2;&#xd7;&#x3b3;&#x2266;16000000, wherein &#x3b1; represents a number of rotation per minute, &#x3b2; (mm) represents a pitch and &#x3b3; (mm) represents a transfer path length of the stirring and transfer device. A temperature Tin (&#xb0; C.) in a development device during stirring and transfer of a two component developing agent satisfies 3020 C.&#x3c;Tin&#x3c;60&#xb0; C., and the toner satisfies Y&#x2266;&#x2212;0.5X+45, 5&#x2266;X&#x3c;40, 5&#x2266;Y&#x2266;35, wherein X (%) represents a degree of agglomeration of a mother toner particle and Y (%) represents a degree of agglomeration of the toner which has been preserved at 55&#xb0; C. for 24 hours.

Image formation method

Disclosed is a developer containing toner and carrier, the toner containing as a binder resin a polyol resin having a plurality of OH groups in a molecule chain having an EX/OH ratio between epoxy groups (EX) and OH groups (OH) of 0.990 to 1.010. The rotational speed &#x3b1;, pitch &#x3b2; and conveyance path length &#x3b3; of an stirring and conveying unit satisfies 1.0&#xd7;10&#x2266;&#x3b1;&#xd7;&#x3b2;&#xd7;&#x3b3;&#x2266;16.0&#xd7;10. Toner base particles having an electrostatic property satisfies 1.5&#x3c;[Q/M]/[Q/M]&#x3c;2.5, toner having an electrostatic property satisfies 0.7&#x3c;[Q/M]/[Q/M]&#x3c;1.3, the external additive comprises two types of fine inorganic particles having different resistance values, wherein the particle size distribution Y and added amount X of the fine inorganic particles with smaller resistance satisfy 0.1&#x2266;x&#x2266;2.0, and Y&#x2266;2.6&#xd7;10X+0.0048.

Image forming method and toner for developing latent electrostatic image

The present invention provides a method for producing a toner including preparing an emulsified dispersion which contains emulsion particles by emulsifying or dispersing an oil phase containing at least a pigment and any one of a binder resin and a binder resin precursor in an aqueous medium, and granulating toner base particles by converging the emulsified dispersion, wherein the Casson yield value of the single oil phase before being emulsified or dispersed in the aqueous medium is 0.5 Pa to 20 Pa; and the temperature Tn of the emulsified dispersion in the preparation of the emulsified dispersion, the temperature Ts of the emulsified dispersion in the granulation of the toner base particles, and the glass transition temperature Tg of the toner base particles satisfy the relation Tn&#x3c;Ts&#x3c;Tg.

Toner, toner production method, and image forming method

A toner composition including toner particles including at least a binder resin; and a colorant, wherein the toner composition satisfies at least one of the following relationships (1) and (2):B&#x2266;14 when 155&#x3c;A&#x2266;180; and&#x2266;0.6&#x2212;79 when 145&#x2266;&#x2266;155,&#x2003;&#x2003;(1)wherein A represents a shape factor SF-1 of the toner composition and B represents a content of toner particles having a particle diameter not greater than 3 &#x3bc;m; andB&#x2266;14 when 0.920&#x2266;A'&#x2266;0.950; and&#x2266;394&#x2212;400&#x2032; when 0.950&#x3c;&#x2032;&#x2266;0.965&#x2003;&#x2003;(2)wherein A&#x2032; represents an average circularity of the toner composition and B represents a content of toner particles having a particle diameter not greater than 3 &#x3bc;m.

An image forming apparatus including an image bearing member; a charger; a light irradiator; a developing device; a transfer device; an image bearing member's cleaner; and a fixing device, wherein the fixing device includes a fixing member configured to fix a toner image upon application of heat and pressure thereto; a pressing member configured to press the recording material toward the fixing member; and a cleaning member configured to clean a surface of the fixing member and/or the pressing member, wherein the cleaning member has an outermost layer including a reactive material which increases viscoelasticity of a binder resin of the toner by reacting with the binder resin.

Fixing device, and image forming apparatus using the fixing device

To provide an image forming method including forming a latent electrostatic image on a latent electrostatic image bearing member, developing the latent electrostatic image using a toner to form a visible image, transferring the visible image to a recording medium, and fixing a transfer image transferred on the recording medium, wherein the toner includes a toner base particle containing at least a binder resin, a colorant and an inorganic fine particle, and a charge control agent; and wherein the condition X&#x3e;Xis satisfied (where Xis an average proportion of the inorganic fine particles in a near-surface region of the toner base particle, Xis an average proportion of inorganic fine particles in the whole toner base particle.

Image forming method and image forming apparatus

A fixer fixing a toner including a binder resin and a colorant on a recording medium upon application of at least one of heat and pressure, including:

Fixer and image forming apparatus

A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 &#x3bc;m to 7 &#x3bc;m, a ratio (Dv/Dn) of the volume average particle diameter (Dv) to a number average particle diameter (Dn) is 1.01 to 1.25, a plurality of the base of toner particle contains 15% by number or less of the base of toner particle having a particle diameter of 0.6 &#x3bc;m to 2.0 &#x3bc;m, a plurality of the base of toner particle has a circularity of 0.930 to 0.990 on average, the binder resin contains a modified polyester resin, and the toner contains 0.3 parts by weight to 5.0 parts by weight of the external additive, relative to 100 parts by weight of the base of toner particle.

Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same

A toner which includes a toner material, wherein the toner satisfies the following formula:0&#xb0; C.&#x2266;&#x394;Tm&#x2266;20&#xb0; C.

Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method

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Fuji, Japan

Fumihiro Sasaki