Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108730 | Low temperatue light off ammonia oxidation | Hyo C. Lee, Robert J. Farrauto | 1992-04-28 |
| 4863893 | Low temperature light off ammonia oxidation | Robert J. Farrauto, Hyo C. Lee | 1989-09-05 |
| 4526614 | Method for recovering platinum in a nitric acid plant | Bahjat S. Beshty, Hyo C. Lee, Ronald M. Heck, Thomas Hsiao-Ling Hsiung | 1985-07-02 |
| 4412859 | Method for recovering platinum in a nitric acid plant | Ronald M. Heck, Thomas Hsiao-Ling Hsiung | 1983-11-01 |