Yasushi Iwata
Yasushi Iwata, Aichi-Ken JP
Patent application number | Description | Published |
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20100192887 | ENGINE - An oil recovery part ( | 08-05-2010 |
20100269803 | INTERNAL COMBUSTION ENGINE - In an internal combustion engine ( | 10-28-2010 |
20110209844 | DIE-CASTING DIE AND METHOD FOR DIE-CASTING | 09-01-2011 |
20110264425 | MOLTEN ALLOY SOLIDIFICATION ANALYZING METHOD AND SOLIDIFICATION ANALYZING PROGRAM FOR PERFORMING THE SAME - A molten alloy solidification analyzing method of the invention is characterized in that the amount of change in fraction solid is calculated based on the solidification rate of molten alloy and the solidification rate parameter that is a parameter for evaluating the influence of the solidification rate on solidification of the molten alloy, according to the fraction solid. By conducting such a simulation that takes into consideration the supercooling, a highly accurate solidification analysis is relatively easily performed for various molten alloys. | 10-27-2011 |
Yasushi Iwata, Toyota-Shi JP
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20090188465 | CHAIN COVER OF INTERNAL COMBUSTION ENGINE - A first rib extending downward from a middle portion to an outer peripheral portion is formed on an inner wall of a chain cover. In addition a second rib, which extends downward from the outer peripheral portion to the middle portion and has a height lower than that of the first rib, is formed above the first rib. A projection extending in the height direction of the second rib is provided on an upper surface of the second rib. | 07-30-2009 |
20090188478 | CRANKCASE FOR INTERNAL COMBUSTION ENGINE - A crankcase that is provided in an internal combustion engine, in which blow-by gas is returned to an intake passage via a gas outflow passage formed in a cylinder block so as to extend in a direction from an upper portion to a lower portion of the cylinder, includes: a partition wall extending in a direction from an upper portion to a lower portion of the crankcase and facing an inner side surface of a crankcase outer wall that also extends in the direction from the upper portion to the lower portion of the crankcase; an internal space that is formed between the partition wall and the inner side surface of the crankcase outer wall and connected to the gas outflow passage at an upper end of the internal space; and a window that is formed on the partition wall to communicate an inside and outside of the internal space. | 07-30-2009 |
20090194062 | OIL DRAIN PASSAGE STRUCTURE - An oil drain passage that guides, to an oil pan, lubrication oil in a space surrounded by a side wall of an engine block and an inner wall of a chain cover is formed with a partition formed by contacting a rib provided on the inner wall of the chain cover and a rib provided on the side wall of the engine block. An opening is provided in a portion of the partition. | 08-06-2009 |
Yasushi Iwata, Nagano JP
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20090114848 | CLUSTER FILM FORMATION SYSTEM AND FILM FORMATION METHOD, AND CLUSTER FORMATION SYSTEM AND FORMATION METHOD - The invention provides a cluster film formation system in which, in a cluster formation container | 05-07-2009 |
Yasushi Iwata, Miyoshi-Shi JP
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20110127403 | SURFACE-TREATED MOLD AND METHOD OF PRODUCING SURFACE-TREATED MOLD - A surface-treated mold that includes a mold, a metal layer that is provided on a surface of the mold and contains at least one metal selected from nickel, chromium, tungsten and brass, and a carbon film that is provided on a surface of the metal layer, wherein the metal layer contains carbon, and the carbon concentration in the metal layer is higher between the boundary with the carbon film and the center of the metal layer than that between the boundary with the mold and the center of the metal layer. | 06-02-2011 |
20110183155 | MOLD, SOLIDIFIED BODY, AND METHODS OF MANUFACTURE THEREOF - A mold includes: a base; and a contact surface which is provided on the base and which comes into contact with a molten material. The contact surface is provided with a first surface portion that includes a first fiber layer in which first carbon fibers are raised, and a second surface portion having different surface characteristics from the first surface portion. | 07-28-2011 |
20120156087 | RECYCLED MAGNESIUM ALLOY, PROCESS FOR PRODUCING THE SAME, AND MAGNESIUM ALLOY - This invention aims to provide a recycled magnesium alloy having a good corrosion resistance and a process for producing the same. The process of the present invention comprises an adjusting step of adjusting composition of molten metal of a magnesium alloy so as to comprise, by mass: Al: 5 to 10%, Zn: not less than 1% and not less than three times of Cu content (%), Mn: 0.1 to 1.5% and the remainder: Mg and impurities with or without one or more reforming elements. While the upper limit of the Al content is restricted to a low level, the Zn content is increased in accordance with the Cu content. Therefore, the recycled magnesium alloy produced by this process can effectively suppress corrosion caused by Cu, which is one of corrosion-causing elements. | 06-21-2012 |
20130171021 | FREE CASTING METHOD, FREE CASTING APPARATUS, AND CASTING - A free casting method according to the present invention includes, a lead-out step for leading out molten metal from a lead-out area provided in a source of supply, e.g. a surface level of the molten metal, to retain the molten metal temporarily by surface films generated on an outer surface, and a forming step for obtaining a formed body by solidifying retained molten metal led out along a set passage depending on a desired casting shape, wherein the retained molten metal is solidified after being formed into the desired casting shape by applying an external force thereto at positions between an unrestrained root portion of the retained molten metal in vicinity of the surface level of the molten metal and a solidification interface defined as a boundary between the retained molten metal and the formed body in the forming step. | 07-04-2013 |
20140116567 | PIPE WITH RIB AND METHOD FOR MANUFACTURING PIPE WITH RIB - A pipe with a rib includes a pipe portion, and a rib portion formed inside the pipe portion. The rib portion includes a plurality of bent portions in accordance with bending of the pipe portion. | 05-01-2014 |
20140120250 | SURFACE-TREATED MOLD AND METHOD OF PRODUCING SURFACE-TREATED MOLD - A surface-treated mold that includes a mold, a metal layer that is provided on a surface of the mold and contains at least one metal selected from nickel, chromium, tungsten and brass, and a carbon film that is provided on a surface of the metal layer, wherein the metal layer contains carbon, and the carbon concentration in the metal layer is higher between the boundary with the carbon film and the center of the metal layer than that between the boundary with the mold and the center of the metal layer. | 05-01-2014 |
Yasushi Iwata, Tokyo JP
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20110184401 | CRYOTHERAPY PLANNING DEVICE AND CRYOTHERAPY DEVICE - The present invention relates to a treatment device utilized in the freezing treatment method and its treatment planning device, and has an object to settle a freezing period·defrosting period according to a size of a treatment portion. | 07-28-2011 |
Yasushi Iwata, Komaki-Shi JP
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20130068336 | VEHICLE-MOUNTED HEAT-RESISTANT HOSE - A heat-resistant hose for a vehicle available at a low cost and excellent in interlayer adhesiveness includes: an inner layer; and an outer layer directly formed on an outer peripheral surface of the inner layer, in which the inner layer comprises a fluorine-based rubber composition containing the following components (a) to (e): (a) a fluorine-based rubber; (b) a polyol-based vulcanizing agent; (c) an organic onium compound; (d) magnesium oxide; and (e) calcium hydroxide, and the outer layer comprises an acrylic rubber composition containing the following components (A) to (C): (A) an acrylic rubber; (B) a benzenediol; and (C) at least one of an imidazole compound and a diamine-based vulcanizing agent. | 03-21-2013 |
Yasushi Iwata, Tsukuba-Shi JP
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20130000727 | SOLAR BATTERY - Disclosed is a solar battery using a silicon semiconductor, having a high quantum-conversion efficiency, requiring few number of production steps during manufacturing, and capable of being recycled in view of environmental load and material recycling. Specifically, the solar battery has a basic structure of P-SN-N junction in which refined silicon clusters are inserted in P-N junction, and includes a quantum dot layer having a multiple energy level structure whose energy level is between an energy level of a valence band and an energy level of a conduction band. The quantum dot layer includes a periodic arrangement of silicon quantum dots formed of silicon clusters of 2.5 nm or less in average particle diameter and the distance between the quantum dots is 1 nm or less. | 01-03-2013 |
Yasushi Iwata, Nagaokakyo-Shi JP
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20140166090 | SOLAR CELL AND METHOD FOR PRODUCING SOLAR CELL - A solar cell that includes a negative electrode made of Al—Nd or the like formed on a substrate, an electron transport layer made of n-type Si or the like, a quantum dot arrangement layer made of graphene or the like, a quantum dot layer, a positive hole transport layer made of p-type Si or the like, and a positive electrode made of ITO or the like are sequentially formed on a surface of the negative electrode. Output electrodes are formed on the positive electrode so that at least a part of the surface of the positive electrode is exposed. The quantum dot layer is constructed such that quantum dots of Si cluster particles are three-dimensionally periodically arranged. The Si cluster particles have an average particle size of 3 nm or less, and the interparticle distance between the Si cluster particles is 1 nm or less. | 06-19-2014 |
Yasushi Iwata, Nagakute-Shi JP
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20150071817 | MANUFACTURING METHOD OF CASTING, MANUFACTURING DEVICE THEREOF, AND CASTING - There are provided a manufacturing method of a casting capable of easily manufacturing a casting having a complex form and of increasing the degree of freedom of form of the casting to be manufactured, a manufacturing device thereof and a casting. At the time of forming a casting by drawing out molten metal from a bath surface of a molten metal bath and solidifying the molten metal which has been drawn out, an outer contour unit configured from a plurality of outer contour defining members for defining the outer contour of a casting is arranged in a region between the bath surface of the molten meth bath and a solid region where the molten metal is solidified and the molten metal which has been drawn out from the bath surface is drawn out through a region determined by the outer contour unit, and the form of the casting is changed by moving at least one of the plurality of outer contour defining members according to the drawing out of the molten metal. | 03-12-2015 |