Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450719 | Gigabit Ethernet-based passive optical network and data encryption method | Hak-Phil Lee, Whan-Jin Sung, Young Seok Kim, Yun-Je Oh, Jun-Sung An +2 more | 2008-11-11 |
| 7292784 | High speed optical routing apparatus and method | Ki-Cheol Lee, Jong-Kwon Kim, Jun-Ho Koh, Sang-Hyun Doh | 2007-11-06 |
| 7280758 | Optical multi-ring network for burst data communication | Sang-Hyun Doh, Ki-Cheol Lee, Yun-Je Oh, Byung-Chang Kang | 2007-10-09 |
| 7272311 | Optical ring network for burst data communication | Sang-Hyun Doh, Ki-Cheol Lee, Yun-Je Oh | 2007-09-18 |
| 7228071 | Wavelength division multiplexing optical switching system | Ki-Cheol Lee, Sang-Hyun Doh, Yun-Je Oh | 2007-06-05 |
| 7167302 | Gain-flattened wideband erbium-doped optical fiber amplifier | Jong Hun Lee, Hak-Phil Lee, Ki-Cheol Lee, Jong-Kwon Kim, Sang-Hyun Doh +1 more | 2007-01-23 |
| 7133609 | Bidirectional WDM self-healing ring network | Jong-Kwon Kim, Sang-Hyun Doh, Yun-Je Oh, Ki-Cheol Lee, Jong Hun Lee +1 more | 2006-11-07 |