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Electrophotography > Image Formation > Development

Development

Development patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

06/19/14 - 20140169833 - Image forming apparatus
First and second developing members are moved to a developing position from a retracted position respectively in the order of a first developing member and a second developing member, and image forming is started by adhering toner to a first photosensitive member and a second photosensitive member in this order,...

05/29/14 - 20140147171 - Electrostatic ink composition, ink container, printing apparatus and printing method
Disclosed is an electrostatic ink composition, comprising a single charge director and a charge control agent that counters the build up of negative optical density memory on the intermediate transfer member of a printing apparatus using the electrostatic ink....

04/11/13 - 20130089359 - Electrostatic latent image developing toner, electrostatic latent image developer, image forming apparatus, and apparatus for manufacturing electrostatic latent image developing toner
An electrostatic latent image developing toner has an average sphericity of at least 0.94 but no more than 0.98, the particles for which the accumulated equivalent spherical diameter on a number basis is at least 90% and the sphericity is less than 0.92 account for less than 3% of the...

02/28/13 - 20130051857 - Developing device provided with developing roller and supply roller
In a developing device, a developing agent member has a first rotational shaft extending in a first direction. A supply member has a second rotational shaft extending in the first direction, contacts the developing agent member. A housing accommodates a developer, and includes a first wall and a second wall...

02/28/13 - 20130051858 - Mold for resin shaft-end flange and roller for image forming device including the resin shaft-end flange produced by the mold
A mold for producing a resin shaft-end flange for a roller for image forming devices, wherein the shaft-end flange includes a flange portion and a shaft portion projecting axially from the center axis of the flange portion and adapted to be fitted to an end portion of a metal sleeve...

12/27/12 - 20120328333 - Image forming apparatus component positioning mechanism
An image forming apparatus includes: an image carrier; a latent-image forming device; a developing device; a latent-image forming device contacting/separating mechanism; and a developing device contacting/separating mechanism, and the latent-image forming device contacting/separating mechanism allows the latent-image forming device to be movable to the latent-image forming device contacting position in...

12/06/12 - 20120308268 - High speed, high quality image monochromatic printer
A printer apparatus includes the use of at least two HSD stations to develop an electrostatic image generated by a single exposure on a photoreceptor in order to enable high speed, high quality monochrome development. A third standby HSD station can be included for increased reliability or be cycled in...

10/25/12 - 20120269553 - Development device and image forming apparatus incorporating same
A development device includes a development casing, a developer bearer disposed facing a latent image bearer through an opening in the development casing to carry developer, a magnetic field generator disposed inside the developer bearer, a developer regulator extending in an axial direction of the developer bearer to adjust an...

05/17/12 - 20120121298 - Image forming apparatus
An image bearing member on which an electrostatic image is to be formed; a rotatable supporting member, configured to support a developing device for developing the electrostatic image and configured to rotationally move the developing device toward a developing position, provided movably in a rotational axis direction with respect to...

05/03/12 - 20120107018 - Toner, method of manufacturing the toner, developing device, and image forming apparatus
There are provided a toner that allows prevention of environmental contamination and is nevertheless free from toner durability degradation, wherein a sufficiently wide color reproduction range can be secured even when it is applied to color toner, and variation in characteristics among toner particles can be suppressed, as well as...

01/05/12 - 20120003012 - Developing cartridge
A developing cartridge having a first side plate and a second side plate spaced opposite from the first side plate, a developer carrying member rotatably supported between the side plates, a developer supplying member rotatably supported between the side plates, a input member to which driving force is input rotatably...

12/29/11 - 20110318061 - Developing device and image forming device
A developing device includes: a developing roll; a bearing member that supports the developing roll rotatably, the bearing member including plural outer side surfaces, and distances from a center of a rotation axis of the developing roll to the outer side surfaces being different; and a supporting member that supports...

11/17/11 - 20110280629 - Image forming apparatus and developing apparatus
An image forming apparatus includes an image bearing member for carrying a latent image; a developing device including a rotatable developer carrying member for carrying a developer and for supplying the developer to the image bearing member, a developer feeding member, provided rotatably in a developing container containing the developer,...

05/05/11 - 20110103838 - Digital manufacture of a microfluidic device
In view of the above, this invention is directed to printing methods including electrographic printing wherein toner and/or laminates form one or more multi-channeled layers, with a particular pattern. The multi-channeled layers are printed, such as by electrographic techniques, using the steps of forming a desired image on a receiver...

03/31/11 - 20110076059 - Digital manufacture of a multi-channeled specialty item
The electrographic printing of one or more multi-channeled layers having a particular pattern by electrographic techniques that produces a specialty item electrographically. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receiver member utilizing predetermined sized marking particles; and, where desired, forming one or...

02/03/11 - 20110026971 - Driving device and image forming apparatus
A driving device to be used in an image forming apparatus includes an input gear; a partly non-toothed gear having a toothed portion engageable with the input gear and having a non-toothed portion; a holding member capable of placing the partly non-toothed gear in a holding state in which the...

10/28/10 - 20100272471 - Electrophotographic toner and electrophotographic image forming apparatus using the same
Provided are an electrophotographic toner and an electrophotographic image forming apparatus using the same. The electrophotographic toner includes: parent toner particles including a binder resin, a colorant, a releasing agent, and a charge control agent; and barium titanate external additives having an average primary particle diameter in the range of...

04/22/10 - 20100098461 - Reducing toner leaks using internal support
To prevent the developer housing of a toner cartridge from flexing and thereby causing toner leaks, one or more support ribs are added internally to the developer housing, near the developer roll opening to prevent housing flexure. The support rib is designed to not impede toner flow, or movement and...

01/28/10 - 20100021208 - Gear mechanism and image forming apparatus
A gear mechanism is provided and includes a first sun gear; a first planetary gear configured to mesh with the first sun gear; a first arm configured to keep a distance between the first sun gear and the first planetary gear and configured to swing around a rotation axis of...

07/23/09 - 20090185830 - Image forming apparatus and control method thereof
An image forming apparatus includes: an image receptor; a developing member which develops a latent image on the image receptor with a toner; an anti-spattering member collecting free toner particles, a driver which drives the developing member and the anti-spattering member; and a controller which controls the driver not to...

07/16/09 - 20090180808 - Power transmission apparatus and image forming apparatus having the same
A power transmission apparatus and an image forming apparatus are provided. The a power transmission apparatus of transmitting driving power to first and second movable members includes: a driving unit which receives the driving power from a driving power source, and which rotates in forward and backward directions; a first...

03/12/09 - 20090067883 - Power transmitting unit, and developing device and image forming apparatus having the same
An image forming apparatus includes a main body in which a photosensitive medium is disposed, and a developing device detachably disposed at the main body to develop electrostatic latent images on the photosensitive medium. The developing device includes a developing member disposed in a developing unit to supply developing agent...

02/19/09 - 20090047041 - Image forming apparatus, developing apparatus and contact-retracting method
The image forming apparatus is provided with: an image carrier; an exposure member that exposes the image carrier and forms an electrostatic latent image on the image carrier; a developing member that develops the electrostatic latent image formed on the image carrier; and a contact-retracting unit that rotates the developing...

02/05/09 - 20090035021 - Developing method, developing apparatus and storage medium
The present invention provides a method of supplying a developing solution, stably, onto a substrate, upon providing a developing process to the substrate which has been coated with a resist and subjected to an exposure process. In this method, the developing solution is supplied onto the substrate from a first...