| Patent application number | Description | Published |
| 20080268310 | Hydrogen generating apparatus and fuel cell system using the same - The hydrogen generating apparatus of the present invention includes an electrolyzer filled with an aqueous electrolyte solution containing ammonium chloride; a first metal electrode that is disposed in the electrolyzer, is immersed in the aqueous electrolyte solution, and generates electrons; and a second metal electrode that is disposed in the electrolyzer, is immersed in the aqueous electrolyte solution, and generates hydrogen gas by receiving the electrons. The hydrogen generating apparatus according to the present invention can increase hydrogen generation time and an amount of hydrogen generation. | 10-30-2008 |
| 20080268320 | Fuel cell electrode, membrane-electrode assembly, and fuel cell system - An electrode for a fuel cell, and a membrane-electrode assembly and a fuel cell system that include the electrode are disclosed. An electrode for a fuel cell that includes an electrode substrate, a first channel formed in the electrode substrate, a first hydrophilic interface formed on an inner surface on one side of the first channel which guides liquids, and a first hydrophobic interface formed facing the first hydrophilic interface which guides gases, makes it possible for water obtained as a side product at the cathode to be separated from air without additional devices, so that it has a potential for utilization not only in portable electronic devices but also in low-capacity power source devices. | 10-30-2008 |
| 20090029206 | ELECTROLYTE SOLUTION FOR HYDROGEN GENERATING APPARATUS AND HYDROGEN GENERATING APPARATUS COMPRISING THE SAME - One aspect of the invention provides an electrolyte solution for a hydrogen generating apparatus that includes water, at least one metal borohydride, at least one ionic compound, and at least one chelating agent, as well as a hydrogen generating apparatus that includes the electrolyte solution. With an electrolyte solution for a hydrogen generating apparatus based on an embodiment of the invention, it is possible to regulate the rate at which the hydrogen is generated and increase the amount and time of hydrogen generation. | 01-29-2009 |
| 20090081499 | ELECTROLYTE SOLUTION FOR HYDROGEN GENERATING APPARATUS AND HYDROGEN GENERATING APPARATUS COMPRISING THE SAME - The invention provides an electrolyte solution for hydrogen generating apparatus including water; at least one ionizing compound; and at least one cation exchange resin, as well as a hydrogen generating apparatus that includes the electrolyte solution. The electrolyte solution for hydrogen generating apparatus according to the invention can increase the time and amount of hydrogen generation by reducing an amount of metal hydroxide generation. | 03-26-2009 |
| Patent application number | Description | Published |
| 20090051268 | WHITE PHOSPHOR, LIGHT EMISSION DEVICE INCLUDING THE SAME, AND DISPLAY DEVICE - A white phosphor, and a light emission device including the white phosphor, and a display device including the white phosphor, the white phosphor including 40 to 45 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and combinations thereof; 30 to 40 parts by weight of a green phosphor selected from the group consisting of ZnS:(Cu,Al), ZnS:(Cu,Au,Al), and combinations thereof; and 20 to 25 parts by weight of a red phosphor selected from the group consisting of Y | 02-26-2009 |
| 20090108236 | Paste composition for plasma display device and associated methods - A composition for a plasma display device includes inorganic material particles, a composite of an acidic dispersant and a basic dispersant, a binder, and a solvent. | 04-30-2009 |
| 20090135339 | WHITE PHOSPHOR, LIGHT EMISSION DEVICE INCLUDING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE LIGHT EMISSION DEVICE AS BACKLIGHT UNIT - A white phosphor including: 40 to 50 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and a combination thereof; 20 to 30 parts by weight of a green phosphor (Sr | 05-28-2009 |
| 20090174841 | WHITE PHOSPHOR, LIGHT EMISSION DEVICE INCLUDING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE LIGHT EMISSION DEVICE AS BACKLIGHT UNIT - A white phosphor, a light emission device including the same, and a liquid crystal display (LCD) including the light emission device as a backlight unit. The white phosphor includes: 40 to 50 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and a combination thereof; 23 to 36 parts by weight of a green phosphor including (Sr | 07-09-2009 |
| Patent application number | Description | Published |
| 20080292358 | OPTICAL SCANNING UNIT AND ELECTRO-PHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE SAME - An optical scanning unit that includes a first optical device that forms collimated light from light radiated from a light source, a second optical device that focuses the collimated light onto a deflector, and an imaging optical device that focuses light deflected by the deflector onto an exposure object. The optical scanning unit further includes a refraction unit and a diffraction unit, and the power of the refraction unit is φr, the power of the diffraction unit is φd, and the ratio φr/φd is such that 0.5<φr/φd<1.3. | 11-27-2008 |
| 20100165434 | LIGHT SCANNING UNIT - Disclosed is a light scanning unit that includes an imaging optical system disposed between a beam deflector and a surface to be scanned. The imaging optical system includes two adjacent imaging optical devices that are inclined with respect to the light path. The inclination directions of the two adjacent imaging optical devices may be determined according to the number of reflection units that are disposed on the light path between the two adjacent imaging optical devices. The disclosed light scanning unit of the above configuration may advantageously exhibit reduced ghost images, reduced bowing of the scan line, improved beam diameter uniformity, and/or improved color registration. | 07-01-2010 |
| 20100232835 | Optical scanning unit and electro-photographic image forming apparatus including the same - An optical scanning unit that includes a first optical device that forms collimated light from light radiated from a light source, a second optical device that focuses the collimated light onto a deflector, and an imaging optical device that focuses light deflected by the deflector onto an exposure object. The optical scanning unit further includes a refraction unit and a diffraction unit, and the power of the refraction unit is φr, the power of the diffraction unit is φd, and the ratio φr/φd is such that 0.5<φr/φd<1.3. | 09-16-2010 |
| 20110080624 | Light scanning unit and electrophotographic image forming apparatus using the same - A light scanning unit and an electrophotographic image forming apparatus using the same. The light scanning unit uses a reduced number of optical components by forming an optical unit disposed between a light source and an optical deflector by using only a single lens and ensures optical and mechanical properties by having an appropriate main/sub scanning magnification ratio. | 04-07-2011 |
| Patent application number | Description | Published |
| 20100184795 | ASPARTATE OF 1-CYCLOPROPYL-6-FLUORO-7-(8-METHOXYIMINO-2,6-DIAZA-SPIRO[3.4]OCT-6-YL)-4-- OXO-1,4-DIHYDRO-[1,8]NAPHTHYRIDINE-3-CARBOXYLIC ACID, METHOD FOR PREPARING THE SAME, AND ANTIMICROBIAL PHARMACEUTICAL COMPOSITION COMPRISING THE SAME - Disclosed are aspartic acid salts of 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid, methods for preparing the same, and antimicrobial pharmaceutical compositions comprising the same. | 07-22-2010 |
| 20100215764 | Pharmaceutical Composition For Treating Nephropathy and Healthy Food Comprising Herb Extracts - This invention relates to a pharmaceutical composition and health food comprising herb extracts of one or more herbs selected from the group consisting of Puerariae Radix, Bombycis corpus and Araliae Continentalis Radix. The herb medicine of this invention comprising a single or mixed composition may be useful for the prevention and treatment of renal diseases as well as improvement of renal functions. | 08-26-2010 |
| 20100249402 | NOVEL BENZAMIDINE DERIVATIVES, PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING OSTEPOROSIS COMPRISING THE SAME - The present invention relates to novel benzamidine derivatives, a process for the preparation thereof and a pharmaceutical composition for preventing or treating osteoporosis comprising the same. The benzamidine derivatives of the present invention effectively inhibit osteoclast differentiation at an extremely low concentration, and thus can be advantageously used for the prevention and treatment of osteoporosis. | 09-30-2010 |