Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508333 | Heating apparatus and substrate processing apparatus having the same | Byung-Hwan Kong, Sung-Han Lee, Sun-Ok Cho, Seung Hwan KANG, Seung Ho Lee +1 more | 2019-12-17 |
| 9099991 | Inverter, NAND gate, and NOR gate | Sang Hee Park, Chi-Sun Hwang, Sung Min Yoon, Him Chan Oh, Kee-Chan Park +6 more | 2015-08-04 |
| 8710866 | Inverter, NAND gate, and NOR gate | Sang Hee Park, Chi-Sun Hwang, Sung Min Yoon, Him Chan Oh, Kee-Chan Park +6 more | 2014-04-29 |
| 8570066 | Inverter, NAND gate, and NOR gate | Sang Hee Park, Chi-Sun Hwang, Sung Min Yoon, Him Chan Oh, Kee-Chan Park +6 more | 2013-10-29 |
| 6845188 | DC WDM device and DC WDM system and transmission network using the same | — | 2005-01-18 |
| 6570686 | Reference wavelength providing device for performance monitor in WDM optical transmission system | — | 2003-05-27 |