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Chang Gyu
Chang Gyu Choi, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110271545 | CLOTHES TREATMENT APPARATUS - A clothes treatment apparatus is disclosed. The clothes treatment apparatus includes a cabinet comprising an accommodating space formed therein to accommodate clothes, an air supply device configured to supply air or heated air to the accommodating space, a duct configured to guide the air or the heated air supplied by the air supply device toward the accommodating space, the duct comprising a communication part configured to draw external air into the accommodating space and a circulation fan configured to flow air along the duct, wherein the communication part is located in a rear portion of the circulation fan. | 11-10-2011 |
Chang Gyu Im, Uiwang-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090147499 | Light diffusion film with uniform surface roughness and low retardation value, display including the same, and associated methods - A light diffusion film includes a thermoplastic resin, a surface of the light diffusion film has a roughness (Ra) of about 0.5 to about 3 μm and a height distribution index (HDI) of about 3 to about 8 μm, and the light diffusion film has a retardation of not more than about 25 nm. | 06-11-2009 |
| 20100151204 | Light diffusion film and method for manufacturing the same - A light diffusion film includes a thermoplastic resin, wherein a surface of the light diffusion film has an embossed pattern thereon, and the surface of the light diffusion film having the embossed pattern has a surface roughness (Ra) of about 0.5 μm to about 3 μm and a height distribution index (HDI) of about 3 μm to about 8 μm. | 06-17-2010 |
Chang Gyu Kim, Gyeongsangnam-Do KR
Chang Gyu Park, Gachang-Myeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110097164 | Cutting Insert - A cutting insert has a top surface and a bottom surface having a parallelogram shape, and four side surfaces connecting the top and bottom surfaces. One or more primary cutting edges are formed at intersections between the top and bottom surfaces and two opposing side surfaces. Secondary cutting edges are formed at intersections between the top and bottom surfaces and two other opposing side surfaces. The primary cutting edge forms a first angle with respect to a median plane parallel to the top and bottom surfaces. The secondary cutting edge forms a second angle with respect to the median plane. The top and bottom surfaces have a mounting surface and a rack surface, wherein the rack surface extends inwardly from the cutting edge toward the median plane. The top and bottom surfaces of the cutting insert have mirror symmetry with respect to the median plane. | 04-28-2011 |
Chang Gyu Park, Dalsung-Gun KR
| Patent application number | Description | Published |
|---|---|---|
| 20110299945 | Cutting Insert Having Non-Symmetrical Back Side Face Portion and Cutting Tool Comprising the Same - A cutting insert has an upper face and a lower face; a front side face portion and a back side face portion, the front and back side face portions connecting the upper face and the lower face; and a through-hole passing through the upper face and the lower face. A cutting edge is formed in the front side face portion, and the back side face portion is provided with a first inclined face and a second inclined face which are inclined forwardly at different angles, respectively, with respect to a plane normal to a rotational axis. The first inclined face is longer than the second inclined face so that the back side face portion has a non-symmetrical convex “V” shape. | 12-08-2011 |
Chang Gyu Yoo, Yongin KR
| Patent application number | Description | Published |
|---|---|---|
| 20110118638 | SKIN MASSAGER - Disclosed is a skin massage device, the proposed idea capable of a skin massage device of scrubbing a skin applied with a massage cream, then giving physical stimulus on the skin at a massage thus helping the relaxation of muscles and activating matabolism to serve an elastic, healty skin, characterized in that an operation device | 05-19-2011 |