Patent application number | Description | Published |
20080261138 | ELECTROSTATIC LATENT IMAGE DEVELOPING TONER - An objective is to provide an electrostatic latent image developing toner exhibiting ultra-low temperature fixability together with high resolution, excellent fluidity and anti-blocking property, and excellent aging stability in a toner vessel, in which the toner is supplied into an image forming apparatus. Also disclosed is an electrostatic latent image developing toner stored in a vessel possessing an ejecting outlet, capable of fitting into an image forming apparatus, wherein the vessel has a cross-sectional area of the outlet of 0.07-2.00 cm | 10-23-2008 |
20080304869 | TONER BOTTLE FOR ELECTROSTATIC LATENT IMAGE DEVELOPING - A toner bottle containing a cylindrical toner container having therein a toner comprising at least a resin, a colorant and an external additive, the toner container having a toner discharge port on an end thereof and a rotation axis along the cylindrical toner container, and the toner container being installable in an image forming apparatus, wherein the toner container has plural protrusions which are intermittently provided in an interior of the cylindrical container, the protrusions having a function to convey the toner toward the toner discharge port when the toner container is rotated around the rotation axis; an X-ray intensity ratio of titanium to silicon (Ti/Si) determined via X-ray fluorescence spectrometry of the toner is 1.0 to 3.0; and a conveyance index of the toner is 2.0 to 10.0 mg/sec. | 12-11-2008 |
20090004591 | ELECTROSTATIC IMAGE DEVELOPING TONER AND METHOD FOR PRODUCING THE SAME - Disclosed is a toner for developing electrostatic image containing toner particles prepared with a method containing a step of: coagulating resin particle A, resin particle B and a colorant, wherein resin particle A and resin particle B respectively have volume average particle diameters D | 01-01-2009 |
20090208862 | TWO COMPONENT DEVELOPER AND IMAGE FORMING METHOD - Provided is a method for forming an image containing the steps of: (a) forming an electrostatic latent image on an electrostatic latent image carrier; and (b) developing the electrostatic latent image by a two component developer comprising a toner and a carrier, wherein the two component developer is continually replenished in the developing step. (b); and the toner includes: colored particles.; and external additive particles comprising a complex oxide incorporating silicon atoms and at least one of titanium atoms and aluminum atoms, and a surface existing ratio of the silicon atoms (R | 08-20-2009 |
20090233202 | TWO COMPONENT DEVELOPER AND IMAGE FORMING METHOD - A two component developer comprising a toner and a carrier, wherein the toner includes: colored particles; and external additive particles comprising a complex oxide incorporating silicon atoms and at least one of titanium atoms and aluminum atoms, and a surface existing ratio of the silicon atoms (R | 09-17-2009 |
20090233205 | TWO-COMPONENT DEVELOPER - Provided is a two-component developer with which degradation of development is inhibited even in the case of prolonged use, and thereby a high quality image exhibiting high resolution and sufficient image density can be formed for a long duration. Also disclosed is a two-component developer possessing a carrier and a toner, wherein the carrier in which magnetic material powder is dispersed in a binder resin containing a phenol formaldehyde resin has a shape coefficient SF-1 of 1.0-1.2, a shape coefficient SF-2 of 1.1-2.5 and a volume-based median particle diameter of 10-100 μm, and the toner possesses a colored particle and an external additive particle, wherein the external additive particle comprises a titanic acid compound and iron, and the iron content is 100-1,000 ppm, based on the titanic acid compound. | 09-17-2009 |
20090239171 | TONER - It is to provide a toner which can form an image of high image quality exhibiting high resolution wherein a final visible image exhibits high image density and high thin-line reproducibility even in long-term use. In a toner incorporating at least a colored particle containing a binder resin composed of a polyester resin and a colorant, and external additive particles, the toner has a degree of average circularity of 0.950-0.990, a volume based median diameter of 4.5-8.0 μm, a volume based particle diameter dispersibility (CV | 09-24-2009 |
20100188372 | Information input device, and electronic apparatus using same - An information input device is provided which is to make input of information by operating a disk-shaped rotating member. The device includes the rotating member ( | 07-29-2010 |
20100188373 | Information input device, and electronic apparatus using same - An information input device is provided which is to make input of information by operating a disk-shaped rotating member. The device includes the rotating member ( | 07-29-2010 |
20110014561 | TONER AND TONER MANUFACTURING METHOD - Provided are a toner and a toner manufacturing method with which high image density and a broad range of color reproduction are obtained, and with which high-quality images are also obtained. The toner is composed of toner particles that comprise a binding resin containing a polyester resin and a colorant, and contains 10-1,500 ppm of a metal element selected from titanium, germanium, and aluminum, and a cyclic phenol sulfide represented by general formula (1) selected from thiacalixarene, sulfinyl thiacalixarene and sulfonyl thiacalixarene. | 01-20-2011 |
20120009515 | DEVELOPER FOR ELECTROPHOTOGRAPHY - The present invention provides a developer for electrophotography which is superior in property of build up of electrification and in charge stability even in environments of high temperature and high humidity or in an environment of low temperature and low humidity where it is difficult for a developer to retain its electrostatic charge performance, and which can provide an image free from fogging and decrease in density for a long term, that is, a developer for electrophotography containing composite oxide particles which include metal titanate particles containing titanium as a first metal atom and a second metal atom and containing therein 0.009 to 0.350% by weight of a third metal atom selected from the group consisting of the metal atoms belonging to Group 5A of the long form of the periodic table of elements. | 01-12-2012 |
20120062522 | INFORMATION INPUT DEVICE, AND ELECTRONIC APPARATUS USING SAME - An information input device is provided which is to make input of information by operating a disk-shaped rotating member. The device includes the rotating member ( | 03-15-2012 |
20120175253 | ION SELECTIVE ELECTRODE CARTRIDGE - A wet flow-type ion selective electrode device requires not only a large amount of test solution but also cumbersome management works such as flow path cleaning and device conditioning. Provided is an ion selective electrode cartridge which includes at least one ion selective electrode forming an electrical path with a reference electrode when a test solution is infused, and in which the ion selective electrode and the reference electrode is arranged to surround a container. | 07-12-2012 |
20120175254 | ION SELECTIVE ELECTRODE CARTRIDGE - Ion concentration measurement requires a calibration before the start of the measurement, and thus the start of the measurement is delayed for the calibration period. Hence, an ion selective electrode cartridge including an ion selective electrode for measuring the concentration of particular ions dissolved in a test solution is provided with a storage means storing therein an electrode slope value specific to the ion selective electrode. | 07-12-2012 |