Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8531647 | Exposure method and exposure apparatus for photosensitive film | Jong-Il Kim, Jong Dam Kim | 2013-09-10 |
| 7911696 | Large scale polarizer and polarizer system employing it | Jae-Beom Choi, Ki Hyuk Yoon | 2011-03-22 |
| 7061679 | Light irradiating device | Ki Hyuk Yoon, Young Seok Choi, Soon Bum Kwon | 2006-06-13 |
| 7016113 | Large scale polarizer and polarizer system employing it | Jae-Beom Choi, Ki Hyuk Yoon | 2006-03-21 |
| 7016112 | Large scale polarizer and polarizer system employing it | Jae-Beom Choi, Ki Hyuk Yoon | 2006-03-21 |
| 6639720 | Large scale polarizer and polarizer system employing it | Jae-Beom Choi, Ki Hyuk Yoon | 2003-10-28 |
| 6292296 | Large scale polarizer and polarizer system employing it | Jae-Beom Choi, Ki Hyuk Yoon | 2001-09-18 |