Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105059 | Reaction apparatus for atomic layer deposition | Jae-cheol Lee, Kwi-young Han | 2006-09-12 |
| 6653628 | Electron spectroscopic analyzer using X-rays | Jae-cheol Lee, Yury Yuryev | 2003-11-25 |
| 6265342 | Catalyst for purification of exhaust gas from diesel engine | Chan-ho Pak, Ju-hee Cho | 2001-07-24 |
| 5898360 | Heater for heating an automobile sensor | — | 1999-04-27 |
| 5709787 | Wide-range air fuel ratio oxygen sensor | — | 1998-01-20 |