Ricoh Company, Ltd.

Fuji Xerox Co., Ltd.

Toshihiro Kanematsu

Yasuo Yamanaka

Kiyotaka Sawada

Shinji Aoki

Takashi Ochi

Masahiro Masuzawa

Masaru Ohgaki

Akira Fukushima

Shinya Seno

Hisayoshi Ohshima

Motoyasu Murai

Shota Oba

Yoshitaka Nakajima

Shigeru Inaba

Akihisa Maruyama

Jun Abe

Tomoyuki Yoshii

Shinji Okuyama

Yasuaki Watanabe

Kenta Urayama

Fumiyuki Honda

Hiroshi Takahashi

Hiroyuki Inoue

Kazuhiro Fujita

Jun Watanabe

Masaaki Yamada

Makoto Hirota

Ichiro Kadota

Ikuo Maeda

Hidenobu Kishi

Mizuki Otagiri

Masaki Suto

Shigeyoshi Misawa

Takuya Kobayashi

Makito Nakashima

Rie Kobayashi

Naohisa Fujita

Jun Zhang

Kazuhisa Masuko

Eiri Sagae

Wataru Ohtani

Yasunori Sugimoto

Koji Iwasaki

Yukie Inoue

Katsuyuki Ohkubo

Hisaaki Koseko

Riku Maeshiro

Shin-ya Seno

Akio Hirano

Hidenori Ito

Katsunori Suto

Tsukasa Inao

Takahito Uga

Shinya Senoo

Norichika Hirohashi

Tomohiro Harada

Sho Kawakami

Kiyoshi Amari

Shin-Ya Seno

Masahira Masuzawa

A liquid discharge head includes a nozzle plate, a housing, a channel, and a positioning member. The nozzle plate has a nozzle hole and a first positioning hole penetrating through the nozzle plate in a thickness direction of the nozzle plate. The housing is bonded to the nozzle plate to form a single bonded body and has a second positioning hole extending in a thickness direction of the housing. A liquid flows through the channel between the nozzle plate and the housing to the nozzle hole. The positioning member fits into the first positioning hole and the second positioning hole to position the nozzle plate relative to the housing. A length of the positioning member is smaller than a sum of a length of the first positioning hole and a length of the second positioning hole in the thickness direction of the nozzle plate, and larger than the length of the second positioning hole.

Liquid discharge head, liquid discharge device, liquid discharge apparatus, and method of manufacturing liquid discharge head

Provided is a sheet including a base material comprising a biocompatible material and having at least two independent holes, and a bioactive substance, wherein at least one of the independent holes is an independent hole A containing the bioactive substance, wherein at least one of the independent holes is an independent hole B containing no bioactive substance, wherein a maximum diameter of the independent holes is less than 0.2 mm. Also provided is a sheet laminate including sheets laminated with each other, wherein each of the sheets includes a base material comprising a biocompatible material and having at least two independent holes, and a bioactive substance, wherein at least one of the independent holes is an independent hole A containing the bioactive substance, wherein at least one of the independent holes is an independent hole B containing no bioactive substance.

Sheet, sheet laminate, pharmaceutical drug, sheet producing method, sheet producing apparatus, sheet laminate producing method, and sheet laminate producing apparatus

A transporting member includes multiple helical blades that helically extend around a rotation shaft and that have an upstream-side blade and a downstream-side blade, an end portion of the upstream-side blade and an end portion of the downstream-side blade overlapping in a direction perpendicular to an axial direction of the rotation shaft, the multiple helical blades transporting an object in the axial direction via rotation of the rotation shaft; a gap portion that divides the upstream-side blade and the downstream-side blade, the upstream-side blade and the downstream-side blade being arranged at a certain angular interval in a circumferential direction of the rotation shaft; and a regulating portion that regulates an amount of the object that passes through a space between the upstream-side blade and the downstream-side blade in a direction in which the object is transported.

Transporting member, developing device, and image forming apparatus

An image forming apparatus includes an image forming section and a controller. The image forming section transfers a toner image to a transfer target and includes plural developing units. The plural developing units include a first developing unit and at least one second developing unit. The plural developing units each include an image holding body and a developing roller. The image holding body has an outer circumferential surface and is rotated. The controller controls the image forming section so that, when a low-area-coverage portion and a high-area-coverage portion are disposed adjacent to each other and are formed by the first developing unit, a correction toner image is superposed on a boundary portion, where the low-area-coverage portion and the high-area-coverage portion are adjacent to each other, by the at least one second developing unit.

Image forming apparatus including a controller that controls superposition of a correction toner image

A transport mechanism includes: a container that stores a specific developer; a transport body that transports the developer in an axial direction of a shaft about which the transport body rotates in the container while stirring the developer; a bearing that supports the transport body such that the transport body is rotatable about the shaft; and a restricting portion that has a substantially annular shape and a maximum magnetic force of about 20 mT or greater and about 50 mT or smaller and restricts the transportation of the developer past the restricting portion by surrounding the shaft, the restricting portion being provided nearer to a side on which the transport body transports the developer than the bearing in the axial direction of the shaft.

Transport mechanism, developing device, and image forming apparatus

A disclosed method for producing a hollow cell array structure includes a first step of layering a deformable material capable of being plastically deformed under a predetermined condition on a first substrate, the first substrate having plural, mutually separated depressions in a surface thereof, such that the deformable material forms mutually isolated spaces in the corresponding depressions; a second step of expanding the spaces in the plural depressions by inducing a gas pressure of the spaces while extending the deformable material on the first substrate, such that plural hollow cells are simultaneously formed in correspondence to the plural depressions in predetermined directions; and a third step of selectively solidifying portions of the plural hollow cells by selectively applying ultraviolet rays thereto.

Hollow cell array structure and method and apparatus for producing hollow cell array structure

A developing device includes a developing member including a magnet member on which plural magnetic poles including a developing main magnetic pole are magnetized in a circumferential direction and a developer holder that faces an image supporting member, receives the magnet member, and holds a developer, wherein a distribution of a magnetic attraction force in a circumferential direction has a gradient that increases toward a downstream end from an upstream end of a developing area in a developer transport direction of the developer holder, and the magnetic poles are magnetized on the magnet member so that the amount of the increase of the magnetic attraction force between the upstream end and a middle position of the developing area is larger than that between the middle position and the downstream end.

Developing device and image forming apparatus having magnetic poles to control the distribution of a magnetic attraction force

An image forming apparatus includes a rotating image carrier, a charging device, a latent image forming device, a developing device having a developer holder and developing a latent image as a visible image, a voltage application unit that generates a potential difference between the image carrier and the developer holder to form an electric field, by which toner is directed toward the latent image, in a developing region, and a transfer device that transfers the visible image of the image carrier to a medium, wherein the developer holder having a concavo-convex portion having a convex portion and a concave portion is provided in an outer surface thereof and formed such that the volume resistivity of a portion corresponding to the convex portion is set to be larger than the volume resistivity of a portion corresponding to the concave portion.

Image forming apparatus having a developer holder with a concavo-convex outer surface

A developing device includes a developer container; a developer holding body including a magnet member and a substantially cylindrical member; a transport member including a rotating shaft and a substantially spiral transport blade; a layer-thickness regulating member; and an interrupting member that is arranged between the developer holding body and the transport member, that intersects with a first virtual plane passing through a facing position between the regulating member and the developer holding body and being adjacent to a rotation locus of a radial-direction outer edge of the transport blade at a position at which a speed in a circumferential direction of the transport blade has a speed component toward the regulating member, and a second virtual plane passing through rotation centers of the developer holding body and transport member, and that interrupts movement of the developer pushed and moving in the radial direction of the transport blade.

Developing device, visible image forming device, and image forming apparatus

A method of manufacturing a cell array structure includes a first step of laminating a deformable layer capable of causing plastic deformation on a substrate, the substrate being formed with plural, mutually separated depressions on a top surface thereof, such that the deformable layer forms a mutually isolated space in each of the plural depressions; and a second step of extending the space in each of the plural depressions by causing plastic deformation in the deformable layer, such that there are formed plural columnar cells respectively in correspondence to the plural depressions.

Miniature cell array structure and manufacturing method of miniaturized composite component using such a miniature cell array structure

A liquid droplet flight device is provided that moves an ink or the like using a comparatively low voltage and stably causes flight of even a high viscosity ink or the like. When causing droplets of a liquid inside a liquid retaining section to fly onto a medium transported between liquid droplet discharge means and an opposing electrode in the liquid droplet flight device, a high voltage is applied to the flight electrode from a bias power source to generate an electric field between the flight electrode and the opposing electrode. On/off control of flight control means is performed in this state to apply a drive voltage of a low voltage to an EW drive electrode from a drive power source such that the liquid inside a slit moves to a leading end portion of the flight electrode due to an electrowetting phenomenon, and the liquid that has moved to the leading end portion of the flight electrode flies toward the opposing electrode through the electric field such that a liquid droplet lands on the medium.

Liquid droplet flight device and image forming apparatus with electrowetting drive electrode

A disclosed method of manufacturing an image display element structure includes a coating step of coating a substrate surface including a plurality of recessed portions arranged at predetermined intervals, with a coating material that is plastic-deformable, in such a manner as to maintain spaces in the recessed portions; and an expanding step of forming gaps in the coating material coating the substrate surface by expanding gas in the spaces, wherein the gaps correspond to the recessed portions; and a peeling step of peeling off the coating material in which the gaps have been formed, from the substrate surface.

Manufacturing method and manufacturing apparatus for hollow structure of image display element

A display panel includes a sheet having first and second spaced apart surfaces defining a space therebetween and a plurality of partitions extending from the first surface to the second surface and dividing the space into a plurality of cells, wherein the thickness of each partition is in a range of 0.01 to 10 &#x3bc;m.

Display panel, method of manufacturing a display panel, and display unit

There is provided a method of manufacturing a hollow structural member suitable for precisely manufacturing a hollow structural member whose pitch space of the hollows is below 30 &#x3bc;m. The method of manufacturing a hollow structural member of this invention is to encapsulate, by using a gas-permeable material in part of a material that constitutes the substrate () for manufacturing the hollow structural member, a high-pressure gas by injection in advance, under high-pressure conditions, into the gas-permeable material; to form a plastic deformation film () on a surface under reduced-pressure conditions; and to expand and draw the plastic deformation film (), while preventing the plastic deformation material from entering the recesses (), by discharging the high-pressure gas that is encapsulated in the gas-permeable material into each of the recesses (), whereby the hollow structural member is manufactured.

Method of manufacturing hollow structural member, substrate for hollow structural member production, and apparatus for manufacturing hollow structural member

A belt feed apparatus, includes: an endless belt member; a belt back surface member including a close portion disposed close to the endless belt member to such a degree that, when the endless belt member stands stationary, the close portion is prevented from touching the endless belt member, and while the endless belt member is circulating, the close portion can be contacted with the endless belt member irregularly; and a non-sticking portion that includes a non-sucking surface contactable with the endless belt member to prevent the endless belt member from being electrostatically sucked to the close portion, the non-sucking surface being provided in an entire portion or part of a surface of the close portion opposed to the endless belt member, and due to the existence of the non-sucking surface, the non-sticking portion being able to prevent the endless belt member from sticking to the close portion.

Belt feed apparatus and image forming apparatus using the same

Growing community of inventors

Kanagawa, Japan

Toshihiro Kanematsu