Toshiei
Toshiei Hasegawa, Tokyo JP
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20110073570 | FLUX CORED WIRE FOR GAS SHIELDED ARC WELDING OF HIGH STRENGTH STEEL - The present invention provides a flux cored wire for gas shielded arc welding of high-strength steel having proof stress of 690 MPa or more, which is capable of all-position welding with a higher efficiency and exhibits an excellent cracking resistance. The flux cored wire comprising a steel sheath, and a flux filled therein, wherein the flux cored wire comprises, by mass % with respect to the total mass of the flux cored wire: C: 0.03 to 0.10%, Si: 0.25 to 0.7%, Mn: 1.0 to 3.0%, Ni: 1.0 to 3.5%, B: 0.001 to 0.015%, Cr: limited to 0.05% or less, and Al: limited to 0.05% or less, and in the flux, TiO | 03-31-2011 |
Toshiei Hasegawa, Oita-Shi JP
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20100003161 | Steel for Crude Oil Tank, Method for Producing the Same, Crude Oil Tank and Corrosion Prevention Method Thereof - The present invention provides: a steel for a welded structure to be used for a crude oil tank that exhibits excellent general and local corrosion resistance in crude oil corrosion caused in a steel oil tank and is capable of suppressing the formation of corrosion products (sludge) containing solid sulfur; a method for producing said steel; a crude oil tank; and a method for preventing a crude oil tank against corrosion. The present invention makes it possible to obtain general and local corrosion resistance in a crude oil tank environment and suppress the formation of corrosion products (sludge) containing solid sulfur by using a steel: containing, in mass, 0.001 to 0.2% C, 0.01 to 2.5% Si, 0.1 to 2% Mn, 0.03% or less P, 0.007% or less S, 0.01 to 1.5% Cu, 0.001 to 0.3% Al, 0.001 to 0.01% N as basic components and, further, 0.01 to 0.2% Mo and/or 0.01 to 0.5% W; and preferably satisfying the following expression; | 01-07-2010 |
Toshiei Kiriu, Niigata JP
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20090057934 | FORMING SHEET, LENTICULAR LENS SHEET PRODUCTION METHOD, AND THEIR PRODUCTION APPARATUS - A method and an apparatus for producing a pattern forming sheet efficiently. The method and apparatus for producing a sheet having a first pattern formed on at least one side by a first roll forming die and a second pattern formed by a second roll forming die is characterized in that the rotational angular speeds of the first and second roll forming dies are substantially equalized and relative positional variation of the first and second patterns is substantially minimized by synchronizing the phases of the periodic positional variation caused by the rotation of the rolls. | 03-05-2009 |
Toshiei Yamazaki, Niigata JP
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20090095344 | Conductive Paste for Solar Cell Electrode - A conductive paste for solar cell electrodes with which high FF value can be obtained stably, and a method for producing a solar cell using the same are provided. | 04-16-2009 |
20090288709 | CONDUCTIVE PASTE FOR FORMING OF ELECTRODE OF CRYSTALLINE SILICON SUBSTRATE - A conductive paste for forming electrodes, which makes it possible to form an electrode for a crystalline silicon substrate that is low in cost and has an equal degree of contact resistance and ohmic electrical contact, as compared to conventional silver electrode pastes, is obtained. | 11-26-2009 |
20100096014 | Conductive paste for solar cell - A conductive paste for solar cells, which makes it possible to form an electrode for a solar cell that is low in cost and has an equal degree of contact resistance and ohmic electrical contact, as compared to conventional silver electrode pastes, is obtained. | 04-22-2010 |
Toshiei Yamazaki, Niigata-Shi JP
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20120067417 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell containing an electrode, wherein the electrode is formed by firing a conductive paste, wherein the conductive paste includes an organic binder, a solvent, conductive particles, glass frits and a compound containing Al, Ga, In or Tl. A method for producing a solar cell by forming an electrode by firing a conductive paste, wherein the conductive paste includes an organic binder, a solvent, conductive particles, glass frits and a compound containing Al, Ga, In or Tl. | 03-22-2012 |
20120231571 | METHOD FOR PRODUCING A SOLAR CELL - A method for producing a solar cell, including printing a conductive paste on a crystalline silicon substrate, and firing the conductive paste to form a light incident side electrode, wherein the conductive paste comprises conductive particles, glass frits, an organic binder and a solvent, wherein the conductive particles comprise (A) silver, and (B) one or more metals selected from the group consisting of copper, nickel, aluminum, zinc and tin, and the weight proportion (A):(B) is 5:95 to 90:10. | 09-13-2012 |
20120238052 | METHOD OF PRODUCING A CRYSTALLINE SILICON SOLAR CELL - A method of producing a crystalline silicon solar cell, comprising: printing a conductive paste on a crystalline silicon substrate, and firing the conductive paste to form a light incident side electrode, wherein the conductive paste comprises conductive particles, glass frits, an organic binder and a solvent, the conductive particles comprise zinc particles and copper particles, and a weight ratio of the zinc particles and the copper particles is 2:1 to 2:3. | 09-20-2012 |