Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933553 | Field effect transistor using vanadium dioxide layer as channel material and method of manufacturing the field effect transistor | Hyun-Tak Kim, Doo Hyeb Youn, Byung-Gyu Chae | 2005-08-23 |
| 6653917 | High-temperature superconductor low-pass filter for suppressing broadband harmonics | Seok Kil Han, Min Hwan Kwak, Dal Ahn | 2003-11-25 |
| 6624463 | Switching field effect transistor using abrupt metal-insulator transition | Hyun-Tak Kim | 2003-09-23 |
| 6608949 | Optical oscillator with milimeterwave frequency | Ho-Young Kim | 2003-08-19 |
| 6423473 | Fabrication method of high temperature superconducting step-edge Josephson junction | Gun Yong Sung, Jun Sik Hwang | 2002-07-23 |
| 6417505 | Near-field optical heterodyne measurement system using near-field fiber-optic probe | Seok Kil Han, Sang Dong Jung, Herold R. Fettemam | 2002-07-09 |
| 6324189 | Optical device for modulating a high frequency optical signal | Ho-Young Kim, Su Jae LEE, Seok Kil Han | 2001-11-27 |
| 6280580 | Method for manufacturing a double-sided high-temperature superconducting oxide thin film having large area | Jeong-Dae Suh, Seok Kil Han | 2001-08-28 |
| 6034348 | Micro etching system using laser ablation | Je Ha Kim, Seok Kil Han | 2000-03-07 |
| 5942040 | Multi-target manipulator for pulsed laser deposition apparatus | Je Ha Kim, Seok Kil Han | 1999-08-24 |
| 5824953 | Coaxial connector for vacuum chamber for microwave and millimeter wave measurement | Seok Kil Han, Je Ha Kim | 1998-10-20 |
| 5230483 | Reel torque device for video cassette tape recorder | — | 1993-07-27 |