Ricoh Company, Ltd.

Canon Kabushiki Kaisha

Victor Company of Japan, Limited

Other

Sony Corporation

Mitsubishi Denki Kabushiki Kaisha

Tosoh Corporation

Terumo Kabushiki Kaisha

Nippon Shokubai Co., Ltd.

Kabushiki Kaisha Kobe Seiko Sho

Japan Tobacco Inc.

Riken Corporation

Mitsubishi Chemical Industries Limited

Koei Tecmo Games Co., Ltd.

Mitsui-nisso Corporation

Takashi Saito

Nobuyoshi Suzuki

Yuusuke Shibasaki

Akihiro Musha

Hitoshi Hattori

Shuuya Nagasako

Naohiro Kikkawa

Shingo Matsushita

Makoto Hidaka

Naoyuki Ishikawa

Ikuhisa Okamoto

Hidetoshi Kojima

Naoki Oikawa

Katsuhiro Kosuge

Takuya Morinaga

Masahiro Tamura

Tomohiro Furuhashi

Hiroshi Maeda

Akira Kunieda

Kazuhiro Kobayashi

Junichi Tokita

Ichiro Ichihashi

Wataru Takahashi

Ryuji Yoshida

Kiyoshi Hata

Masao Hosaka

Satoshi Saito

Shohichi Satoh

Kei Sasaki

Takamasa Matsumoto

Masanori Takenouchi

Tomohiro Yamashita

Hatsuo Tajima

Atsushi Hosoi

Kouhei Nakagawa

Hiroshi Tajika

Masami Ikeda

Masahiko Kubota

Tadashi Suzuki

Kiyomitsu Kudo

Ryoji Inoue

Hiroshi Sugitani

Jun Yamada

Keisuke Sugiyama

Tsuyoshi Watanabe

Hideki Adachi

Akira Kojima

Masahiro Tomosada

Hiroyuki Adachi

Naoyuki Ohki

Kazutoshi Shimada

Hiroaki Takeda

Atsushi Takagi

Norihisa Hoshika

Hiroyuki Fukasawa

Tsuneyuki Hayashi

Hiroyuki Sugiyama

Yasuhiro Ueki

Tatsuya Kobayashi

Masanori Yamada

Shinsuke Shikama

Yasushi Takahashi

Toshiaki Iwafuchi

Hiroshi Suzuki

Tadashi Ishikawa

Takuya Sano

Tatsuo Takeuchi

Nobuyuki Miyake

Michiaki Shinotsuka

Takeshi Honjo

Kyosuke Taka

Yujiro Ando

Tadamitsu Kishimoto

Hiroshi Tanaka

Tsuneki Inuzuka

Hidehiko Fujiwara

Joh Ebara

Toru Yoshihara

Masataka Naito

Eiichi Toide

Masaharu Sato

Kyosuke Nakada

Ryozo Abe

Mitsuhiro Tokuhara

Haruo Fujii

Masaki Sakurai

Takeshi Akai

Shizuo Hasegawa

Kenji Yoshihara

Yoichi Nakamura

Fumitaka Kan

Hiroshi Satomura

Yoshinori Shibata

Masaaki Sakurai

Tsutomu Kawase

Kiyoshi Yasukawa

Tsukasa Kuge

Hideki Mimura

Hiroshi Nitanda

Seiichi Suzuki

A cover member () that forms an end of a housing () of an oxygenator () has a recessed wall portion () recessed relative to a cover main body () further toward a side of a gas exchange unit () than an inner surface (). A pressure control hole () is formed through a main body () of the cover member (), and a sampling port () is disposed in the second recessed wall portion () to collect gas guided out from the gas exchange unit (). The sampling port () faces, at its inner opening portion (), a second outlet side end face () of the gas exchange unit ().

Oxygenator with pressure relief and sampling

Provided is an ink jet recording method capable of recording an image with a tertiary color, less causing color shift even with use of a recording apparatus having an ink inlet port. The ink jet recording method includes recording an image, with use of an ink jet recording apparatus that includes a plurality of aqueous inks; an ink storage portion that independently stores the aqueous inks; a recording head having formed therein an ejection orifice through which each aqueous ink is ejected; and a tube through which each aqueous ink is supplied from the ink storage portion to the recording head. The ink storage portion has provided thereto an inlet port through which the aqueous ink is filled, the tube is formed of a resin material, a cyan ink contains a phthalocyanine pigment, and both of a yellow ink and a magenta ink individually contain an azo pigment.

Ink jet recording method and ink jet recording apparatus

An ink jet recording method for recording an image uses an ink jet recording apparatus that includes an aqueous ink, a first ink storage portion that stores the aqueous ink, a second ink storage portion that stores the aqueous ink without impregnating it into an absorbent, and a recording head. The second ink storage portion and the recording head compose therein an ink flow path through which the aqueous ink is supplied, a filter that partitions an upstream side and a downstream side of the ink flow path is arranged, and a ratio (A/B) of volume A (mL) of the ink flow path to the upstream side and volume B (mL) of the ink flow path on the downstream side is 5 or more, the aqueous ink contains a coloring material, a nonionic surfactant, and a first water-soluble organic solvent having a relative dielectric constant of 30.0 or less.

Provided is an ink jet recording method by which even when a multicolor image is recorded with an ink jet recording apparatus including an ink storage portion having an ink inlet port arranged in its upper portion by applying a plurality of aqueous inks each comprising a pigment to a recording medium, an image excellent in abrasion resistance can be stably recorded over along time period. The method is an ink jet recording method for recording an image on a recording medium with an ink jet recording apparatus including: a plurality of aqueous inks each comprising a pigment; an ink storage portion; a recording head; and an ink supply path. The aqueous inks include a first ink to be applied earlier to the recording medium and a second ink to be applied later to the recording medium, and the first ink has a redispersibility index of 0.90 or more.

A drive control device is configured to control a plurality of drive sources configured to drive a single output shaft. The drive control device includes a control unit configured to generate a single drive control signal and transmit the drive control signal to the plurality of drive sources. The drive control device has, as operation modes, a first mode for driving the plurality of drive sources and a second mode for driving a part of the plurality of drive sources.

Drive control device, driving device, sheet conveying device, and image forming apparatus

There is provided an ethyleneimine polymer (solution) capable of expressing excellent properties when used in such usages as, for example, coagulants for wastewater, papermaking chemicals such as freeness improvers and the like, enzyme immobilization agents, and adhesion improvers (for example, adhesion promoters for extrusion laminate (anchor coating agent)). To solve the above object, there is provided an ethyleneimine polymer solution including an ethyleneimine polymer and water, wherein a weight average molecular weight (Mw) of the ethyleneimine polymer is 200,000 or more, the weight average molecular weight (Mw) being measured based on pullulan by gel permeation chromatography (GPC), and a ratio of a component having a weight average molecular weight (Mw) of 30,000 or more is 60 mass % or more with respect to 100 mass % of a total amount of the ethyleneimine polymer.

Ethyleneimine polymer solution and method for producing same

A method of forming an image on a recording medium using an ink jet recording apparatus. The ink jet recording apparatus includes a recording head in which a plurality of recording element substrates is arranged to form joint portions and a plurality of wipers is arranged to form wiper overlapping portions. The method includes ejecting a first ink from a first ejection orifice array, ejecting a second ink from a second ejection orifice array, and the plurality of recording element substrates with the plurality of wipers. The first ejection orifice array is wiped and then the second ejection orifice array is wiped. At least a part of the wiper overlapping portion wipes the joint portion. A dynamic surface tension (&#x3b3;) of the first ink is equal to or more than a static surface tension (&#x3b3;) of the second ink.

An object of the present invention is to provide an ink jet recording method capable of recording a high-quality image in which occurrence of unevenness is decreased. The ink jet recording method is a method of recording an image by ejecting ink from a recording head including an ejection orifice ejecting the ink, an ejection element generating energy for ejecting the ink, and first and second flow paths which communicate between the ejection orifice and the ejection element and in which the ink flows. The ink jet recording method includes: an ejection step of ejecting the ink from the ejection orifice; and a flow step of flowing the ink in the first flow path to the second flow path separately from the ejection step, wherein the ink is aqueous ink containing a pigment and a specific compound having an ethylene oxide group.

An object of the present invention is to provide an ink jet recording method capable of exhibiting excellent ejection stability of ink even after recording an image over a long period of time, while recording an image having a high optical density. The ink jet recording method is a method of recording an image by ejecting ink from a recording head including an ejection orifice ejecting the ink, an ejection element generating energy for ejecting the ink, and first and second flow paths which communicate between the ejection orifice and the ejection element and in which the ink flows. The ink jet recording method includes an ejection step of ejecting the ink from the ejection orifice; and a flow step of flowing the ink in the first flow path to the second flow path separately from the ejection step, wherein the ink is aqueous ink containing a self-dispersible pigment in which an anionic group is bonded to a particle surface of the pigment directly or through another atomic group, and a nonionic surfactant, the self-dispersible pigment having a surface charge amount of 0.40 mmol/g or less.

An ink jet recording method capable of recording a high-quality image in which occurrence of fine unevenness is decreased. The ink jet recording method includes recording an image by ejecting ink from a recording head including an ejection orifice for ejecting the ink, an ejection element generating energy for ejecting the ink, and first and second flow paths that communicate between the ejection orifice and the ejection element and in which the ink flows. The ink jet recording method includes an ejection step of ejecting the ink from the ejection orifice, and a flow step of flowing the ink from the first flow path to the second flow path separately from the ejection step. The ink is an aqueous ink having a dynamic surface tension of 35 mN/m or more to 48 mN/m or less at 10 milliseconds.

A heat exchanger has a hollow fiber membrane layer comprised of a plurality of hollow fiber membrane conduits each of which has a hollow portion allowing a heat medium to pass therethrough. The conduits are derived by winding a base cord of the hollow fiber membrane onto a cylindrical body. The winding follows a generally helical trajectory around the longitudinal axis of the cylindrical body with a plurality of continuous round trips from the first end to the second end and turning back at each respective end, wherein each round trip completes a number of circumferential revolutions N, wherein N is greater than or equal to one, and wherein N is less than two.

Method of manufacturing heat exchanger and heat exchanger

A transmitter is provided that is capable of communicating with a management apparatus via a network and is configured to output a plurality of sound waves in a plurality of different directions. The transmitter includes a memory storing a program, and a processor configured to execute the program to implement processes of outputting a first sound wave including first unique information in a first output direction of the plurality of different directions, outputting a second sound wave including second unique information that differs from the first unique information in a second output direction that differs from the first output direction, and individually controlling the first sound wave output by the first sound wave output unit and the second sound wave output by the second sound wave output unit based on a request from the management apparatus.

Transmitter and position information management system

A non-transitory computer-readable recording medium having recorded thereon a program that causes a computer to execute a method to display an image of a predetermined process on a body-mounted display device worn by a user, the method includes tracking a head or the like of the user, and calculating the position and the direction of the head or the like; displaying the image of the predetermined process in a virtual space of the display device; determining that the user is in the sleeping state when a candidate state, in which at least either of the calculated position and direction of the head or the like of the user is shifted by greater than or equal to a predetermined set amount, continues for greater than or equal to a predetermined set period; and performing a predetermined sleeping countermeasure process when the user is determined to be in the sleeping state.

Technique for determining sleeping state of user

A sheet processing device includes a sheet processing unit that is moved to perform sheet processing on a sheet; a sheet-processing moving unit that moves the sheet processing unit; a drive-mode determining unit that determines a drive mode of the sheet-processing moving unit; and a drive control unit that drives the sheet-processing moving unit in accordance with the drive mode. The drive-mode determining unit determines the drive mode such that the sheet processing unit is moved at combination acceleration that is a combination of first acceleration and second acceleration with a shift of time that is determined based on the cycle of the natural vibration that occurs during acceleration of the sheet processing unit.

Sheet processing device, image forming system, and computer-readable storage medium

A sheet processing apparatus includes: a sheet fastening unit of a pressing fastener method in which a bundle of sheets is fastened by using a pair of pressing fastener members; a conveying unit that conveys the bundle of sheets that are fastened by the sheet fastening unit; a separating unit that, after the sheet fastening unit performs a fastening operation on the bundle of sheets, moves both one and the other pressing fastener members, between which the bundle of sheets is interposed, so as to separate a sheet that adheres to the pressing fastener member; and a control unit that, after the separating unit finishes an operation to separate the sheet, controls the conveying unit so as to convey the bundle of sheets that are fastened by the sheet fastening unit.

Sheet processing apparatus, image forming system, and image forming apparatus

Growing community of inventors

Kanagawa, Japan

Takashi Saito