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Patent applications and USPTO patent grants for CHO; Chan-Hyung.The latest application filed is for "water treatment device using high voltage impulse".
Patent | Date |
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Water Treatment Device Using High Voltage Impulse App 20160130162 - CHANG; In-Soung ;   et al. | 2016-05-12 |
Method of enlarging contact area of a gate electrode, semiconductor device having a surface-enlarged gate electrode, and method of manufacturing the same App 20060108650 - Cho; Chan-Hyung ;   et al. | 2006-05-25 |
Method of enlarging contact area of a gate electrode, semiconductor device having a surface-enlarged gate electrode, and method of manufacturing the same Grant 7,018,914 - Cho , et al. March 28, 2 | 2006-03-28 |
Residual gas removing device and method thereof Grant 6,858,062 - Choi , et al. February 22, 2 | 2005-02-22 |
Method of enlarging contact area of a gate electrode, semiconductor device having a surface-enlarged gate electrode, and method of manufacturing the same App 20040169223 - Cho, Chan-Hyung ;   et al. | 2004-09-02 |
Residual gas removing device and method thereof App 20020092281 - Choi, Chul-Hwan ;   et al. | 2002-07-18 |
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