Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851308 | Telescopic pipe | Do-Young Kim, Yeong Min KIM, Ju Eun Kim | 2023-12-26 |
| 6103988 | Apparatus and method for bonding optical elements by non-contact soldering | — | 2000-08-15 |
| 6019522 | Optical part packaging method and collimator assembly method | — | 2000-02-01 |
| 5880875 | Light amplifier having a multi-stage optical isolator | — | 1999-03-09 |
| 5841573 | Backward light cutting-off apparatus having transmitting light detecting stages and method for detecting transmitting light using the apparatus | — | 1998-11-24 |
| 5822478 | Optical device with means for preventing remaining scattered light rays from being fed back to the signal line and method for fabricating it | — | 1998-10-13 |
| 5768458 | Optical coupling device with ball lens and method for manufacturing the same | Jong-Wong Ro, Keon Joon Ahn | 1998-06-16 |
| 5734768 | Aligning apparatus for optical coupling and manufacturing method thereof | Chan-Sik Park | 1998-03-31 |