Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8058658 | High-speed optical interconnection device | Sang-Heung Lee, Hae Cheon Kim, Dong Min KANG, Dong Young Kim, Hokyun Ahn +4 more | 2011-11-15 |
| 7973368 | Semiconductor device with T-gate electrode | Jong-Won Lim, Ho Kyun Ahn, Hong Ji, Woo Jin Chang, Hae Cheon Kim +1 more | 2011-07-05 |
| 7902572 | Field effect transistor and method for manufacturing the same | Ho Kyun Ahn, Jong-Won Lim, Hong Ji, Woo Jin Chang, Hea Cheon Kim | 2011-03-08 |
| 7893462 | Transistor of semiconductor device and method of fabricating the same | Hung Gu Ji, Ho Kyun Ahn, Hae Cheon Kim | 2011-02-22 |
| 7889023 | Switching circuit for millimeter waveband control circuit | Dong Young Kim, Jong-Won Lim, Ho Kyun Ahn, Hae Cheon Kim, Hyun-Kyu Yu | 2011-02-15 |
| 7871874 | Transistor of semiconductor device and method of fabricating the same | Jong-Won Lim, Woo Jin Chang, Hong Ji, Ho Kyun Ahn, Hae Cheon Kim | 2011-01-18 |
| 7671697 | High-isolation switching device for millimeter-wave band control circuit | Hae Cheon Kim, Dong Young Kim, Jong-Won Lim, Ho Kyun Ahn, Hyun-Kyu Yu | 2010-03-02 |
| 7548143 | Microwave module having converter for improving transmission characteristics | Dong Young Kim, Dong Suk Jun, Hae Cheon Kim | 2009-06-16 |
| 7518166 | Transistor or semiconductor device comprising ohmic contact in an epitaxy substrate | Jong-Won Lim, Woo Jin Chang, Hong Ji, Ho Kyun Ahn, Hae Cheon Kim | 2009-04-14 |
| 7429894 | Power device having connection structure compensating for reactance component of transmission line | Woo Jin Chang, Haecheon Kim, Jong-Won Lim, Hong Ji, Ho Kyun Ahn | 2008-09-30 |
| 7419862 | Method of fabricating pseudomorphic high electron mobility transistor | Jong-Won Lim, Ho Kyun Ahn, Hong Ji, Woo Jin Chang, Hea Cheon Kim | 2008-09-02 |
| 7387955 | Field effect transistor and method for manufacturing the same | Ho Kyun Ahn, Jong-Won Lim, Hong Ji, Woo Jin Chang, Hea Cheon Kim | 2008-06-17 |
| 7183149 | Method of manufacturing field effect transistor | Ho Kyun Ahn, Jong-Won Lim, Hong Ji, Woo Jin Chang, Hae Cheon Kim | 2007-02-27 |
| 6979871 | Semiconductor device having T-shaped gate electrode and method of manufacturing the same | Hokyun Ahn, Haecheon Kim | 2005-12-27 |
| 6933543 | Compound semiconductor high frequency switch device | Hong Ji, Hokyun Ahn, Heacheon Kim | 2005-08-23 |
| 6593603 | Pseudomorphic high electron mobility transistor power device | Haecheon Kim, Min Park, Chang Hee Hyoung, Hong Ji, Ho Kyun Ahn | 2003-07-15 |
| 6541319 | Method of manufacturing a self-aligned gate transistor with P-type impurities selectively implanted below the gate, source and drain electrodes | Hea Cheon Kim, Jong-Won Lim | 2003-04-01 |
| 5989961 | Fabrication method of a vertical channel transistor | Jeon Yang, Eung Oh, Jae Jin Lee, Kwang Eui Pyun | 1999-11-23 |
| 5760418 | GaAs power semiconductor device operating at a low voltage and method for fabricating the same | Jong Lam Lee, Hae Cheon Kim, Hyung-Moo Park | 1998-06-02 |
| 5639677 | Method of making a gaAs power semiconductor device operating at a low voltage | Jong Lam Lee, Hae Cheon Kim, Hyung-Moo Park | 1997-06-17 |