Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11469836 | Method for measuring magnitude of radio wave along a subway line, and an apparatus for said method | Kwang Ju Lee | 2022-10-11 |
| 6454468 | Method for manufacturing laser diode chip, optical transmitting/receiving module and method for aligning positions thereof | Euy Sik Yoon, Hong Jun Jun, Ki Chul Shin, Bon Jo Koo, Ho Sung Lee | 2002-09-24 |
| 6300151 | Method for manufacturing laser diode chip, optical transmitting/receiving module and method for aligning positions thereof | Euy Sik Yoon, Hong Jun Jun, Ki Chul Shin, Bon Jo Koo, Ho Sung Lee | 2001-10-09 |