Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270677 | Optical pointing device and method of detecting click event in optical pointing device | Hwan Soo Bae | 2012-09-18 |
| 5768458 | Optical coupling device with ball lens and method for manufacturing the same | Jong-Wong Ro, Yeong-Ju Kim | 1998-06-16 |