| TOYO TANSO CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120107222 | EXPANDED GRAPHITE SHEET - An object is to provide an expanded graphite sheet at the use stage that can prevent can prevent degradation in product quality and deterioration in product yield by inhibiting the expanded graphite sheet from containing impurities even when the expanded graphite sheet is actually used. | 05-03-2012 |
| 20120094117 | CARBON MATERIAL COVERED WITH DIAMOND THIN FILM AND METHOD OF MANUFACTURING SAME - A carbon material and a method of manufacturing the carbon material are provided. By affixing diamond particles onto a carbonaceous substrate in a condition in which etching caused by hydrogen radicals is unlikely to occur, the substrate etching rate can be suppressed, and the carbon material is allowed to have a diamond thin film having excellent adhesion capability. The carbon material has a carbonaceous substrate showing a weight decrease under a diamond synthesis condition, diamond particles disposed on a surface of the carbonaceous substrate, and a diamond layer having the diamond particles as seeds. The weight of the diamond particles per unit area is set to from 1.0×10 | 04-19-2012 |
| 20120077670 | POROUS CARBON AND METHOD OF MANUFACTURING SAME - A porous carbon and a method of manufacturing the same are provided, which can inhibit metal particles from being oxidized and can keep the effect obtained by adding the metal particles for a long period of time by allowing the metal particles to disperse sufficiently. | 03-29-2012 |
| 20120067462 | METHOD FOR CARBURIZING TANTALUM MEMBER, AND TANTALUM MEMBER - Provided is a method for carburizing a tantalum member whereby the tantalum member is less deformed by carburization and can be carburized with good flatness of the planar part thereof and in a uniform manner. The method is a method for subjecting a tantalum member | 03-22-2012 |
| 20110318254 | POROUS CARBON AND METHOD OF MANUFACTURING SAME - A porous carbon that retains a three-dimensional network structure and enables the pore diameters of mesopores and micropores to be controlled easily is provided. A method of manufacturing the porous carbon is also provided. The porous carbon is fabricated by mixing a polyamic acid resin | 12-29-2011 |
| 20110308459 | CVD APPARATUS - A CVD apparatus is provided that can remarkably improve the quality and productivity of susceptors without causing increase in production cost or increase in size of the apparatus. The CVD apparatus is for forming a SiC film on a surface of a carbonaceous substrate ( | 12-22-2011 |
| 20110283944 | CVD APPARATUS - A CVD apparatus is provided, that can remarkably improve the quality and productivity of susceptors without causing increase in production cost or increase in size of the apparatus. A CVD apparatus is provided, for forming a SiC film on a surface of a carbonaceous substrate ( | 11-24-2011 |
| 20110244267 | METHOD OF MANUFACTURING A CARBON MATERIAL AND THE CARBON MATERIAL - A method of manufacturing a surface-modified carbon material is provided that can form a layer of a metal or the like on the surface in a simple manner and with adhesion performance. The surface-modified carbon material is also provided. The method is characterized by heat-treating a carbon substrate together with a carbon member other than the carbon substrate, the carbon substrate embedded in a surface modifying agent comprising a pyrolytic hydrogen halide generating agent and metal particles containing a transition metal. More specifically, a carbon substrate ( | 10-06-2011 |
| 20110030940 | CARBON FIBER CARBON COMPOSITE MOLDED BODY, CARBON FIBER-REINFORCED CARBON COMPOSITE MATERIAL AND MANUFACTURING METHOD THEREOF - To obtain a carbon fiber-reinforced carbon composite material exhibiting excellent thermal conductivity in every direction in the plane containing the X and Y axes. A carbon fiber-carbon composite formed body in which a number of sheet-like dispersions containing pitch-based carbon fibers dispersed therein randomly in the plane containing the X and Y axes are laminated into a carbon fiber laminate, and pyrolytic carbon is deposited on the surfaces of the carbon fibers of the carbon fiber laminate to coat around the carbon fibers, whereby the carbon fiber laminate is filled with the pyrolytic carbon, and a carbon fiber-reinforced carbon composite material obtained using the carbon fiber-carbon composite formed body. | 02-10-2011 |
| 20110020187 | SURFACE TREATMENT APPARATUS - A surface treatment apparatus | 01-27-2011 |
| 20100284895 | TANTALUM CARBIDE, METHOD FOR PRODUCING TANTALUM CARBIDE, TANTALUM CARBIDE WIRING AND TANTALUM CARBIDE ELECTRODE - It is an object of the present invention to provide a method for manufacturing tantalum carbide which can form tantalum carbide having a prescribed shape using a simple method, can form the tantalum carbide having a uniform thickness even when the tantalum carbide is coated on the surface of an article and is not peeled off by a thermal history, tantalum carbide obtained by the manufacturing method, wiring of tantalum carbide, and electrodes of tantalum carbide. | 11-11-2010 |
| 20100252425 | CARBONACEOUS SUBSTRATE AND ELECTRODE FOR FLUORINE-PRODUCING ELECTROLYSIS - A carbonaceous substrate of the present invention is such that an X-ray diffraction pattern thereof is a complex profile and includes at least two (002) diffraction lines; and the substrates contains crystallites with different interlayer spacings. Further, in the X-ray diffraction pattern, (002) diffraction lines between 2θ=10° and 2θ=30° have an asymmetric shape; and the X-ray diffraction pattern includes at least two pattern components which are a diffraction line whose center is at 2θ=26° and a diffraction line whose center is at a lower angle than 2θ=26°. Further, the carbonaceous substrate contains crystals wherein the periodic distance d | 10-07-2010 |
| 20100209755 | SOLAR BATTERY UNIT - A solar battery unit is provided that can release the heat of the solar battery module sufficiently and suppress the temperature increase of a solar battery module by inhibiting the presence of an air layer with a low thermal conductivity in a heat transfer passage, whereby the energy conversion efficiency can be improved remarkably. A solar battery unit has: a solar battery module; and a heat dissipating member, provided on a back surface of the solar battery module, for releasing heat from the solar battery module. A heat transfer sheet including expanded graphite is interposed between the solar battery module and the heat dissipating member, and the heat transfer sheet is attached in a compressed state to the solar battery module and the heat dissipating member. | 08-19-2010 |
| 20100157612 | HEAT RADIATING MEMBER, CIRCUIT BOARD USING THE HEAT RADIATING MEMBER, ELECTRONIC COMPONENT MODULE, AND METHOD OF MANUFACTURING THE ELECTRONIC COMPONENT MODULE - A circuit board using a heat radiating member that can cool an electronic component sufficiently without causing a substrate to break, increasing the total weight of the substrate, lowering the productivity, or increasing cost and device size. A circuit board has a substrate main body ( | 06-24-2010 |
| 20100119436 | PURIFICATION METHOD FOR CARBON MATERIAL CONTAINING CARBON NANOTUBES, CARBON MATERIAL PRODUCED BY THE SAME METHOD, AND RESIN MOLDING, FIBER, HEAT SINK, SLIDER, MATERIAL FOR FIELD ELECTRON EMISSION SOURCE, CONDUCTION AID FOR ELECTRODE, CATALYST SUPPORT...... - A purification method for a carbon material containing carbon nanotubes is provided, which satisfies the following requirements: The method should prevent carbon nanotubes from being damaged, broken or flocculated; the method should be capable of removing the catalyst metal and carbon components other than the carbon nanotubes; and the method should be applicable to not only multi-walled carbon nanotubes but also single-walled carbon nanotubes which will undergo significant structural changes when heated to 1400° C. or higher temperatures. The method is characterized by including a carbon material preparation process for preparing a carbon material containing carbon nanotubes by an arc discharge method, using an anode made of a material containing at least carbon and a catalyst metal; and a halogen treatment process for bringing the carbon material into contact with a gas containing a halogen and/or halogen compound. | 05-13-2010 |
| 20100116198 | METHOD OF PROTECTING CARBONACEOUS CRUCIBLE AND SINGLE-CRYSTAL PULLING APPARATUS - A method is provided of protecting a carbonaceous crucible that is easy to handle, reduces work hour, and can cover the inner surface of a crucible without breaking the sheet and without gaps. A single-crystal pulling apparatus is also provided. The method of protecting a carbonaceous crucible by interposing a protective sheet made of an expanded graphite material between a quartz crucible and a carbonaceous crucible on which the quartz crucible is placed, including: laying two or more protective sheet pieces on an inner surface of the carbonaceous crucible, each of the protective sheet pieces having such a shape that the protective sheet pieces are combined integrally to form the protective sheet in laying the protective sheet between the crucibles. | 05-13-2010 |
| 20100064969 | SEMICONDUCTOR MANUFACTURING PLANT - Fluorine gas generators are connected with semiconductor manufacturing apparatuses through a gas supplying system including a storage tank that can store a predetermined quantity of fluorine gas generated in the on-site fluorine gas generators. When one or more of the on-site fluorine gas generators are stopped, fluorine gas is supplied to the semiconductor manufacturing apparatuses from the storage tank storing a predetermined quantity of fluorine gas, so as to keep the operations of the semiconductor manufacturing apparatuses. Thereby obtained is a semiconductor manufacturing plant in which fluorine gas generated in the fluorine gas generators can be safely and stably supplied to the semiconductor manufacturing apparatuses, and with superior cost performance. | 03-18-2010 |
| 20100048073 | EXPANDED GRAPHITE SHEET, METHOD OF PROTECTING CARBONACEOUS CRUCIBLE USING THE EXPANDED GRAPHITE SHEET, AND SINGLE-CRYSTAL PULLING APPARATUS - An expanded graphite sheet with improved tensile strength is provided. By using an expanded graphite sheet with improved tensile strength as a lining for a carbonaceous crucible, a method of protecting a carbonaceous crucible is provided that reduces work hours remarkably, makes it possible to cover the inner surface of the crucible without breaking the sheet or producing gaps, and is suitable for increasing the size of the crucible, and a single-crystal pulling apparatus is also provided. An expanded graphite sheet ( | 02-25-2010 |
| 20100009249 | SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MULTILAYER SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A separator of the present invention for a nonaqueous electrolyte secondary battery is obtained by fluorinating a polyolefin based resin. A contact angle of the separator with a nonaqueous solvent electrolyte is 40° or less a shutdown temperature of the separator is 170° C. or less. Further, a multilayered separator of the present invention for a nonaqueous electrolyte secondary battery includes a plurality of layers, at least one of which is the foregoing separator for a nonaqueous electrolyte secondary battery. These separators for nonaqueous electrolyte secondary battery have both a favorable electrolyte-retaining characteristic and a suitable shutdown performance. | 01-14-2010 |
| 20090324886 | MOLD RELEASE SHEET - [Problems] An object is to provide a mold release sheet, made of expanded graphite, that can achieve high product quality and that can remarkably improve the work efficiency and production yield when silicon carbide, aluminum nitride, or the like is produced by compressing. | 12-31-2009 |
| 20090308307 | CRUCIBLE PROTECTION SHEET AND CRUCIBLE APPARATUS USING THE CRUCIBLE PROTECTION SHEET - A crucible protection sheet is provided that can prevent damages to an inner crucible, hinder an outer crucible from silicon-carbidization, and transmit heat from the outer crucible to the inner crucible uniformly. | 12-17-2009 |
| 20090301697 | Heat-Transfer Sheet, Heat Transfer System, and Method of Using Heat-Transfer Sheet - This invention provides (i) a heat-transfer sheet which comes into close contact with a heat generator and a radiator when caught there between and can be used repeatedly, (ii) a method of using the heat-transfer sheet, and (iii) a heat transfer system comprising the heat-transfer sheet. The heat-transfer sheet is made of expanded graphite and disposed between a heat generator and a radiator, and its bulk density is less than 1.0 Mg/m | 12-10-2009 |
| 20090280413 | CARBON MATERIAL FOR LITHIUM-ION SECONDARY BATTERY NEGATIVE ELECTRODE, LOW-CRYSTALLINE CARBON IMPREGNATED CARBON MATERIAL FOR LITHIUM-ION SECONDARY BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE PLATE, AND LITHIUM-ION SECONDARY BATTERY - There is obtained a carbon material for lithium-ion secondary battery negative electrode, a low-crystalline carbon impregnated carbon material for lithium-ion secondary battery negative electrode, a negative electrode plate, and a lithium-ion secondary battery, each of which realizes a first charge/discharge cycle with less gas generation and provides a rapid charge/discharge. The carbon material is obtained by: blending and kneading a carbonaceous aggregate with a binder to form a composition; press molding the composition into an article; carbonizing the press molded article; graphitizing the article to obtain an artificial graphite block; milling the block; and carrying out particle size control. The carbon material has characteristics of: (1) R-value=(I | 11-12-2009 |
| 20090278082 | CATHODE ACTIVE MATERIAL AND PROCESS FOR PRODUCING THE SAME - It is an object of the present invention to provide a cathode active material capable of reducing degradation in an operation voltage and capacity as compared conventionally when used for a lithium ion secondary battery, and a method for manufacturing the same. The cathode active material contains a composite oxide of lithium and a transition metal (s), wherein a reduction loss of TLC in the composite oxide is 20 to 60%. Also, the composite oxide has a particle diameter of 0.5 to 100 μm, and is preferably fluorinated. The method for manufacturing the cathode active material includes the step of fluorinating the cathode active material. The composite oxide has a particle diameter of 0.5 to 100 μm. The fluorinating step is to fluorinate the composite oxide in a reaction vessel under conditions where fluorine gas partial pressure is 1 to 200 kPa, a reaction time is 10 minutes to 10 days, and a reaction temperature is −10 to 200° C. | 11-12-2009 |
| 20090260981 | FLUOROGAS GENERATOR - A fluorine/fluoride gas generator which has an electrolyte made of mixed molten salt containing hydrogen fluoride in an electrolytic cell including an anode chamber and a cathode chamber, and generates a gas containing fluorine by electrolyzing the electrolyte, includes a raw material supply pipe for supplying an electrolysis raw material, reaching the inside of the electrolyte in the electrolytic cell, a normally-closed valve provided in the middle of the raw material supply pipe, and a bypass pipe provided with a normally-open valve, joining the raw material supply pipe on the downstream side from the normally-closed valve to a gas phase area of the electrolytic cell. Accordingly, the electrolyte is prevented from being suctioned into the raw material supply pipe in the fluorine/fluoride gas generator, and solidification of the electrolyte inside the raw material supply pipe can be prevented. | 10-22-2009 |
| 20090246493 | FLEXIBLE, HIGH PURITY EXPANDED GRAPHITE SHEET, METHOD OF PRODUCING SAME, AND CARBON CRUCIBLE LINING USING SAID SHEET - The invention provides a flexible, highly pure expanded graphite sheet characterized by having an impurity content of 10 ppm or less and such a degree of flexibility that a sample thereof, 10×100 mm in size can withstand at least 10 times of bending in flexibility test comprising repeatedly bending the sample, with a 50-g weight suspended from one end thereof, by means of bending bodies with a diameter of 6 mm. | 10-01-2009 |
| 20090239145 | LITHIUM ION RECHARGEABLE BATTERY - A high power lithium-ion secondary battery having an increased capacity and capable of maintaining high discharge voltage and repeating charging/discharging high current. A lithium-ion secondary battery having; an electrode group formed by laminating or winding a negative electrode layer and a positive electrode layer so as to interpose a separator made of synthetic resin, the negative electrode layer containing a material capable of intercalating/deintercalating lithium-ion, and a positive electrode layer including a lithium-containing metallic oxide; and a non-aqueous electrolyte containing lithium salt, where the electrode group is immersed. The positive electrode material unit contains a fluorinated lithium-containing metallic oxide as a main material, and the separator possesses a hydrophilic group. Further, the positive electrode material preferably contains a main material including LiNi | 09-24-2009 |
