Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315964 | Method for marking oil products and marker composition for oil products | Young-Kwan Lim, Hee-Yeon Baek, Kyoung-Heum Lee, Seung Hyun Ryu, Ju Min Youn +2 more | 2019-06-11 |
| 8835663 | Lubricity improver | Young-Kwan Lim, Joung Min Lee, Choong-Sub Jung, Eui Soon Yim | 2014-09-16 |
| 7245644 | Semiconductor monolithic integrated optical transmitter | Byung-Kwon Kang, Shi-Yun Cho, In Ho Kim, Do-Young Rhee, Tae Il Kim +5 more | 2007-07-17 |
| 7010009 | Distributed bragg reflector laser and a method of making same | — | 2006-03-07 |
| 6678289 | Wavelength-tunable laser apparatus | — | 2004-01-13 |
| 6577436 | Wavelength converter | — | 2003-06-10 |
| 5163064 | Laser diode array and manufacturing method thereof | Dong-Soo Bang | 1992-11-10 |