Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671232 | Second harmonic generation method and apparatus | Hang-woo Lee, Sang Hak Lee, Joseph K. Chee, Young Mo Hwang, Yurij V. Tsvetkov +1 more | 1997-09-23 |
| 5577059 | Second harmonic generation method and apparatus | Hang-woo Lee, Sang Hak Lee, Joseph K. Chee, Young Mo Hwang, Yurij V. Tsvetkov +1 more | 1996-11-19 |