Issued Patents All Time
Showing 176–194 of 194 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739189 | Micro structure for vertical displacement detection and fabricating method thereof | Byeung-leul Lee, Kyu-dong Jung, Yong-chul Cho | 2004-05-25 |
| 6719918 | Method of reducing notching during reactive ion etching | Byeung-leul Lee, Taek-ryong Chung, Joon-hyock Choi, Won-youl Choi, Kyu-dong Jung | 2004-04-13 |
| 6713310 | Ferroelectric memory device using via etch-stop layer and method for manufacturing the same | Yoon-Jong Song, Ki-Nam Kim | 2004-03-30 |
| 6679665 | Apparatus for holding pin in pin-coupled structure | — | 2004-01-20 |
| 6601256 | Automatic cleansing device for outer wall and window-pane of building | — | 2003-08-05 |
| 6593709 | Dual mode electronic dimmer | Dong-Young Huh | 2003-07-15 |
| 6504816 | Baseband signal demodulating apparatus and method in mobile radio communication system | Jong Youn Kim | 2003-01-07 |
| 6346753 | Fan and rotor dynamic gas sealing system | Emil Donald Jarczynski | 2002-02-12 |
| 6297153 | Method of manufacturing barrier metal film of semiconductor device and method of manufacturing metal interconnection film of semiconductor device using the same | Jong Min Park, Byoung-ju Yoo | 2001-10-02 |
| 6259613 | Power factor correction (PFC) circuit | Kyung-Hee Jang | 2001-07-10 |
| 6225753 | Electronic ballast that is controlled by the operation of a shared switch | — | 2001-05-01 |
| 6191565 | Power factor compensation controller | Kyung-Hee Jang | 2001-02-20 |
| 6084451 | Pulse width modulation controller operational in both current and voltage mode | Nak-Choon Choi, Kyung-Hee Jang | 2000-07-04 |
| 5908980 | Integrated safety control system for user's gas facility and gas leakage recognizing method | Jung-Hoon Hwang, Ho-Young Song, Woon Sik Cho | 1999-06-01 |
| 5650699 | Remote starting circuit and method for brushless DC motor | Shi Tang, Sang Yong Lee | 1997-07-22 |
| 5319284 | Electronic ballast circuit for discharge lamp | — | 1994-06-07 |
| 5208515 | Protection circuit for stabilizer for discharge apparatus | — | 1993-05-04 |
| 5051661 | Protective circuit for fluorescent lamp stabilizer | — | 1991-09-24 |
| 5049788 | Lighting device of fluorescent lamp | — | 1991-09-17 |