Chaeho
Chaeho Kim, Gyeonggi-Do KR
Patent application number | Description | Published |
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20140035026 | SEMICONDUCTOR MEMORY DEVICES AND METHODS OF FABRICATING THE SAME - A semiconductor memory device and a method of fabricating the same. The device includes a plurality of gates vertically stacked on a top surface of a substrate with an epitaxial layer formed in the substrate, a vertical channel vertically penetrating the gates to be electrically connected to the epitaxial layer, and a memory layer provided between the vertical channel and the gates. The epitaxial layer has a top surface positioned at a level between a bottom surface of the lowermost one of the gates and the top surface of the substrate. | 02-06-2014 |
20150145020 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - A method of fabricating a three-dimensional ( | 05-28-2015 |
Chaeho Lim, Hamyang-Gun KR
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20100243820 | TAKING OFF AND LANDING AIRPLANE USING VARIABLE ROTARY WINGS - This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so that it can generate lift through fixed wings while the rotary wings are transformed into fixed wings to generate lift by adjusting the angles between the individual wings thereby enhancing the efficiency | 09-30-2010 |
20100243821 | TAKING OFF AND LANDING AIRPLANE USING VARIABLE ROTARY WINGS - This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so that it can generate lift through fixed wings while the rotary wings are transformed into fixed wings to generate lift by adjusting the angles between the individual wings thereby enhancing the efficiency. | 09-30-2010 |
20110180673 | TAKING OFF AND LANDING AIRPLANE USING VARIABLE ROTARY WINGS - This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so that it can generate lift through fixed wings while the rotary wings are transformed into fixed wings to generate lift by adjusting the angles between the individual wings thereby enhancing the efficiency. | 07-28-2011 |
Chaeho Moon, Burlington, MA US
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20160031890 | NOVEL METHODS, COMPOUNDS, AND COMPOSITIONS FOR INHIBITION OF ROS - The present invention relates to a method using some novel compounds and compositions for the inhibition of ROS tyrosine kinase. In particular, the present invention covers a method to treat abnormal cell growth, such as cancer, with ROS | 02-04-2016 |
Chaeho Yoon, Gyeonggi-Do KR
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20150007620 | APPARATUS FOR OPENING AND CLOSING ENTRANCE - Disclosed herein is an apparatus for opening and closing an entrance. The apparatus includes: first and second door handles which are configured to be pushed or pulled; a moving unit which is coupled to the first and second door handles; a rotating unit which is rotatably coupled on a rotating shaft and locked to the moving unit so that when the moving unit horizontally moves, the rotating unit rotates around the rotating shaft; an actuating member which is locked to the rotating unit and moved in a direction perpendicular to a direction in which the moving unit moves; a latch unit which is fixed to the actuating member so that the latch unit is ejected from or retracted into the door by the movement of the actuating member; and a restoring spring which is wrapped around the rotating shaft and fixed to the door lock housing and the rotating unit. | 01-08-2015 |
Chaeho Yoon, Goyang Gyeonggi-Do KR
Patent application number | Description | Published |
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20150013401 | APPARATUS FOR OPENING AND CLOSING FRONT ENTRANCE - Disclosed herein is an apparatus for opening and closing a front entrance. The apparatus includes: a door lock housing which has an opening in which a latch bolt is disposed; first and second door handles which are provided on the door and configured to be pushed or pulled; a movable member which is disposed in the door lock housing and horizontally moved by pushing or pulling either the first door handle or the second door handle, with a lift guide block provided on the movable member; a rotating unit which includes a roller and a bent part; a latch bolt coupling unit which is locked to the bent part of the rotating unit and coupled to the latch bolt; and a restoring spring which is configured such that the rotating unit is returned to its original state. | 01-15-2015 |
Chaeho Yoon US
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20150128667 | DIGITAL ENTRANCE OPENING AND CLOSING DEVICE - Disclosed herein is a digital opening and closing device for an entrance. The device includes: a housing which includes an outer casing and an inner casing with a door interposed between the inner and outer casings; a password input unit which is provided on the outer casing; a door opening and closing unit which is installed in the housing and conducts the operation of opening or closing the door; a control unit which compares a password input to the password input unit with a preset reference password and controls the door opening and closing unit; an opening button which is provided on the inner casing and is used in automatically opening the door; a manual opening button which prevents the door from being automatically locked when the door is closed; and a power supply supplying drive power to the elements. | 05-14-2015 |