Hiroyuki Takei
Hiroyuki Takei, Chiba JP
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20090311619 | TONER FOR ELECTROPHOTOGRAPHY AND BINDER RESIN FOR TONER - Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF) soluble content in the toner has a first peak in the molecular weight region of not less than 2,000 but less than 5,000 and a second peak in the molecular weight region of not less than 100,000 but less than 200,000 in the chromatogram obtained by gel permeation chromatography (GPC); (b) the binder resin contains at least a carboxyl group-containing vinyl resin (C) and a glycidyl group-containing vinyl resin (E); and (c) the mass ratio of the styrene monomer to the acrylic monomer in the binder resin, namely (S/A), is not less than 4.6 but less than 8.5. | 12-17-2009 |
20100003611 | RESIN COMPOSITION FOR TONER, AND TONER USING THE RESIN COMPOSITION - Disclosed is a resin composition for toners, which contains a resin (D) obtained by reacting a styrene polymer (A) containing an active hydrogen group and having a peak molecular weight (Mp) of not less than 30,000 but not more than 2,000,000, a styrene polymer (B) containing a carboxyl group and having a peak molecular weight (Mp) of not less than 2,000 but not more than 20,000, and a crosslinkable compound (C) having an isocyanate group. | 01-07-2010 |
20100209837 | Binder Resin for Color Toners and Color Toner Using the Same - Provided is a binder resin for color toners which comprises at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product thereof, wherein the storage modulus G′ at 160 degrees centigrade is not less than 20 and less than 800 Pa measured at a frequency of 6.28 rad/sec, the tetrahydrofuran (THF) soluble portion in the binder resin has a main peak in the molecular weight region of not less than 20,000 and less than 40,000 in the molecular weight distribution measured by gel permeation chromatography (GPC), and the binder resin contains at least one of releasing agents having a melting point of not lower than 60 and not higher than 120 degrees centigrade in an amount of not less than 3.5 and not more than 12 mass % based on 100 mass % of the total amount of the carboxyl group-containing vinyl resin (C), the glycidyl group-containing vinyl resin (E) and a reaction product thereof. | 08-19-2010 |
20100248121 | Binder Resin for Color Toners and Color Toner Using the Same - Provided is a binder resin for color toners which comprises at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product thereof, and contains both a tetrahydrofuran (THF) soluble portion and a THF insoluble gel portion, wherein the THF soluble portion has a main peak in the molecular weight region of not less than 10,000 and less than 15,000 in the chromatogram obtained by gel permeation chromatography (GPC), the content of the THF insoluble gel portion is less than 1 mass %, and the softening point is not more than 130 degrees centigrade. | 09-30-2010 |
Hiroyuki Takei, Onomichi-Shi JP
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20100129707 | ELECTROCHEMICAL CELL - An electrochemical cell has a first metal case, a second metal case and a gasket. The first metal case has a first disk portion and a first wall. The second metal case has a second disk portion and a second wall. The gasket is interposed between the first metal case and the second metal case. A bottom surface of the gasket is formed such that one of the outer edge and the inner edge of the bottom surface is spaced from the second disk portion by a predetermined distance. The bottom surface of the gasket inclines with respect to the second disk portion. When an end portion of the second wall is bent toward the first wall, the bottom surface of the gasket contacts the second disk portion. | 05-27-2010 |
Hiroyuki Takei, Saitama JP
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20090203118 | OPTICAL SYSTEM INCLUDING NANOSTRUCTURES FOR BIOLOGICAL OR CHEMICAL SENSING - An analytical device is disclosed. In one embodiment, the analytical device includes a three-dimensional substrate structure comprising a three-dimensional surface. A plurality of noble metal nanoparticles are on the three-dimensional substrate structure. A plurality of capture agents are on the noble metal nanoparticles. | 08-13-2009 |
Hiroyuki Takei, Sodegaura-Shi JP
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20090020900 | Process for Producing Resin Microparticles for a Toner Raw Material - An object of the present invention is to provide a resin microparticle for a toner raw material that has a small particle diameter and a narrow particle diameter distribution and has a low odor. | 01-22-2009 |
Hiroyuki Takei, Hatoyama JP
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20080213814 | ENZYMATIC ASSAY FOR LSPR - The present invention provides a method of detecting changes in the refractive index at the surface of a localized surface plasmon resonance (LSPR) detection system. The method includes generating an insoluble product from an enzymatic substrate using an immobilized enzyme, wherein the insoluble product accumulates at a LSPR supporting surface. The method also includes detecting changes in the reflected or transmitted light of the surface arising from the presence of the insoluble product using LSPR. | 09-04-2008 |
Hiroyuki Takei, Kariya-Shi JP
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20120001519 | VIBRATION ACTUATOR - A vibration actuator includes a roller, a vibrating element having a contact portion that is in contact with the roller, a vibrator for vibrating the vibrating element, a pressing device for pressing the roller against the vibrating element, and a lubricator disposed close to the contact portion and in contact with the roller. | 01-05-2012 |
20140033710 | RANKINE CYCLE SYSTEM - In a configuration in which a first shaft portion configured to drive a pump mechanism and a second shaft portion configured to drive an expansion mechanism are coupled to each other, a Rankine cycle system which is capable of continuing the circulation of working fluid by an expansion machine even when the pump mechanism is locked is provided. This Rankine cycle system of the invention employs a pump and an expansion machine coupled in a tandem manner. A first shaft of the pump and a second shaft of the expansion machine are concentric and the first shaft is capable of transmitting power to the second shaft. A pump torque limiter is provided between the first shaft and a main gear. A one-way clutch is provided between a sensing shaft and the second shaft. | 02-06-2014 |
Hiroyuki Takei, Kai-Shi JP
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20120011887 | METHOD OF PURIFYING AIR - A pre-purification method of feed air for cryogenic air separation, which includes; (a) an adsorption step wherein a compressed feed air is supplied in an adsorption column, wherein a moisture adsorbent and a carbon dioxide adsorbent are filled in this order from the side where the feed air is introduced in the column, to remove water and carbon dioxide from the feed air; (b) a decompression step wherein pressure in the adsorption column is reduced; (c) a heating step wherein the adsorbents in the decompressed column are heated and regenerated, and the heating step includes a total heating step wherein the moisture adsorbent and the carbon dioxide adsorbent are heated and a partial heating step wherein the moisture adsorbent is heated; (d) a cooling step wherein the adsorbents are cooled by introducing a purge gas, which is not heated, to the adsorption column; and (e) a pressurization step wherein the cooled adsorbents are pressurized by purified air. | 01-19-2012 |
Hiroyuki Takei, Kanagawa JP
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20120077262 | LIQUID REFLUX HIGH-SPEED GENE AMPLIFICATION DEVICE - The present invention provides a liquid reflux reaction control device comprising: | 03-29-2012 |
20140248690 | LIQUID REFLUX HIGH-SPEED GENE AMPLIFICATION DEVICE - One embodiment provides a liquid reflux reaction control device comprising: | 09-04-2014 |
Hiroyuki Takei, Kamagaya-Shi JP
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20120231389 | BINDER RESIN FOR TONER, TONER AND METHOD FOR PRODUCING SAME - Disclosed is a binder resin for a toner containing at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reaction product of the vinyl resins and a saturated crystalline polyester (S), wherein the saturated crystalline polyester (S) has a predetermined melting point and a predetermined metal component (M), and the binder resin for a toner has a predetermined loss modulus (G″) and a predetermined storage modulus (G′). | 09-13-2012 |
20130130166 | BINDER RESIN FOR TONER, TONER AND METHOD FOR PRODUCING THE SAME - A binder resin for a toner containing a vinyl resin (A), a non-crystalline polyester resin (SN) and a saturated crystalline polyester resin (SC), in which the content of the vinyl resin (A) is equal to or more than 65 mass % and equal to or less than 95 mass %, based on the total content of 100 mass % of (A), (SN) and (SC), (A) is composed of a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product of the vinyl resins, the ester group concentration of (SC) is equal to or more than 10.0 mmol/g and equal to or less than 13.5 mmol/g, (SN) is dispersed in an island form in (A) and (SC) is contained in the island phase of (SN), and the metal component (M) containing at least one kind selected from the group consisting of Zn, Ca, Mg, Al and Ba (excluding metal oxide) is contained at least in (SC). | 05-23-2013 |
20150079516 | BINDER RESIN FOR TONER AND TONER - A binder resin for toner includes a carboxy group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reactant thereof, and a fatty acid metal salt (M), in which the carboxy group-containing vinyl resin (C) includes a high molecular weight vinyl resin (H) having a peak in a region in which the molecular weight is equal to or more than 2.5×10 | 03-19-2015 |
Hiroyuki Takei, Kawasaki-Shi JP
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20130029407 | CELL ANALYZER - Provided is a cell concentration and purification device, having: a function of continuously concentrating cells; a function of then subsequently disposing the cells continuously in a specific region of a channel; a function of simultaneously recognizing, based on an image, the shape and fluorescence emission of each single cell; and a function of recognizing the cells and then separating and purifying the same based on the data relating to the shape and fluorescence emission thereof. | 01-31-2013 |
Hiroyuki Takei, Aichi JP
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20140311141 | WASTE HEAT UTILIZATION APPARATUS - A waste heat utilization apparatus of a first embodiment includes a driving system including an engine and a turbocharger supplying pressurized air to the engine, and a Rankine cycle system used for the driving system. The Rankine cycle system includes a coolant boiler causing heat exchange between coolant as heating medium and working fluid, and a pressurized air boiler causing heat exchange between the pressurized air as heating medium and the working fluid. A first bypass channel for allowing the working fluid to bypass the coolant boiler and a three-way valve are provided in the Rankine cycle system. In the waste heat utilization apparatus, the amount of heat absorbed in the working fluid in the coolant boiler can be reduced by flowing the working fluid into the first bypass channel. | 10-23-2014 |