Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9201362 | Fixing device usable with an image forming apparatus | Jin Ha Kim | 2015-12-01 |
| 9167299 | Method of managing the standby mode of a broadcast receiving device by external signaling | Jung Mee Yun, Sang Hak Lee, Jang-Kyu Lee, Jong Chul Weon, Jeong Lee | 2015-10-20 |
| 8532517 | Power control method and apparatus to heat a heating roller | Sang-yong Han, Joong-gi Kwon, Se-joong Kim, Jun-seok Cho | 2013-09-10 |
| 8521051 | Apparatus and method of controlling power supply to heating roller and phase control circuit corresponding to the apparatus and method | Tae-kwon Na | 2013-08-27 |
| 8311424 | Fixing device usable with an image forming apparatus | Jin Ha Kim | 2012-11-13 |
| 8180241 | Power control method and apparatus to heat a heating roller | Sang-yong Han, Joong-gi Kwon, Se-joong Kim, Jun-seok Cho | 2012-05-15 |
| 8150288 | Apparatus and method of controlling power supply to heating roller and phase control circuit corresponding to the apparatus and method | Tae-kwon Na | 2012-04-03 |
| 8050584 | Power control method and apparatus to heat a heating roller | Sang-yong Han, Joong-gi Kwon, Se-joong Kim, Jun-seok Cho | 2011-11-01 |
| 8045878 | Device for fusing toner on print medium | Sang-yong Han, Joong-gi Kwon, Hwan-guem Kim, Durk-hyun Cho | 2011-10-25 |
| 8032045 | Fusing device heated by induced current for instantly controlling power | Sang-yong Han, Hwan-guem Kim, Durk-hyun Cho, Su-kyoung Chae | 2011-10-04 |
| 8027601 | Fixing device usable with an image forming apparatus | Jin Ha Kim | 2011-09-27 |
| 8000619 | Fixing device usable with an image forming apparatus | Jin Ha Kim | 2011-08-16 |
| 7986534 | Apparatus to generate high voltage by digital control and method thereof | Joong-gi Kwon, Chul-woo Oh, Jong-hwa Cho, Sang-yong Han | 2011-07-26 |
| 7885567 | Printing apparatus and a method of controlling a power supply to a heating roller and to a phase control circuit | Tae-kwon Na | 2011-02-08 |
| 7843710 | Apparatus and method for controlling power converter | Jin Ha Kim, Joong-gi Kwon | 2010-11-30 |
| 7826759 | Power control method and apparatus to heat a heating roller | Sang-yong Han, Joong-gi Kwon, Se-joong Kim, Jun-seok Cho | 2010-11-02 |
| 7813664 | Power control method and apparatus to control a heating roller | Sang-yong Han, Joong-gi Kwon | 2010-10-12 |
| 7756438 | Device for fusing toner on print medium | Sang-yong Han, Joong-gi Kwon, Hwan-guem Kim, Durk-hyun Cho | 2010-07-13 |
| 7742711 | Fixing device usable with an image forming apparatus | Jin Ha Kim | 2010-06-22 |
| 7706122 | Analog control ASIC apparatus for high voltage power supply in image forming apparatus and method for controlling high voltage power supply | Joong-gi Kwon, Chul-woo Oh, Jong-hwa Cho, Sang-yong Han | 2010-04-27 |
| 7646619 | Apparatus and method for controlling power converter | Jin Ha Kim, Joong-gi Kwon | 2010-01-12 |
| 7619399 | Apparatus to generate high voltage using digital control and method thereof | Jun-seok Cho | 2009-11-17 |
| 7598476 | Image forming apparatus having improved flicker characteristics and method thereof | Hwan-guem Kim, Durk-hyun Cho, Su-kyoung Chae, Sang-yong Han | 2009-10-06 |
| 7565103 | Device for fusing toner on print medium | Joong-gi Kwon, Hwan-guem Kim, Durk-hyun Cho, Sang-yong Han | 2009-07-21 |
| 7535121 | High voltage power supply apparatus and method of correcting current output from the apparatus | Jong-hwa Cho | 2009-05-19 |