Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9198248 | LED lighting device and LED lighting control method | Jin-Seok Hong, Jung Hee Seo | 2015-11-24 |
| 9155147 | Light emitting diode illumination apparatus and control method thereof | Sang-Young Lee | 2015-10-06 |
| 9048737 | Switching-mode power supply (SMPS) having overvoltage cutoff function, and method of cutting off overvoltage and image forming apparatus using the SMPS | An-sik Jeong | 2015-06-02 |
| 8953964 | Image forming apparatus and method of controlling fusing temperature of the same | An-sik Jeong | 2015-02-10 |
| 8548342 | Customer replaceable unit monitor (CRUM) unit, replaceable unit and image forming apparatus comprising the CRUM unit, and unit driving method thereof | Jae Sung Lee, Yoon-tae Lee | 2013-10-01 |
| 8526608 | Printing system and printer with electronic signature capability and method thereof | Eun-ah Song, Hyun-sun Jung | 2013-09-03 |
| 8417153 | Light guide and charge eliminating unit, image forming apparatus and image reading apparatus having the same | Kyung Rok Kim, Hyun Surk Kim | 2013-04-09 |
| 8391729 | Unit installable in apparatus including a consumable container and a chip and method of managing the same | Hae-seog Jo, Ho-ill Hyun | 2013-03-05 |
| 8233812 | Customer replaceable unit monitor (CRUM) unit, replaceable unit and image forming apparatus comprising the CRUM unit, and unit driving method thereof | Jae Sung Lee, Yoon-tae Lee | 2012-07-31 |
| 8218186 | Electronic album image forming apparatus | Min-seon Kim | 2012-07-10 |
| 8090274 | Consumable unit and method of managing consumable unit including memory storing consumable item information | Hae-seog Jo, Ho-ill Hyun | 2012-01-03 |
| 8055143 | Image forming apparatus including temperature sensor embedded developers and method of controlling the image forming apparatus | Young Ho Yoo | 2011-11-08 |
| 8055142 | Replacement device of an image forming device that is determined to be a licensed product or a recycled product | — | 2011-11-08 |
| 8036548 | Customer replaceable unit monitor (CRUM) unit, replaceable unit and image forming apparatus comprising the CRUM unit, and unit driving method thereof | Jae Sung Lee, Yoon-tae Lee | 2011-10-11 |
| 8027595 | Method and apparatus to store information on amount of toner used, and image forming device using the same | Il-su LEE, Hae-seog Jo, Chang-Bok Lee, Young-kak Lim | 2011-09-27 |
| 7970292 | Consumable unit and image forming apparatus including memory storing consumable item information | Hae-seog Jo, Ho-ill Hyun | 2011-06-28 |
| 7965960 | Light guide and charge eliminating unit, image forming apparatus and image reading apparatus having the same | Kyung Rok Kim, Hyun Surk Kim | 2011-06-21 |
| 7946575 | Medium feeding unit and image forming apparatus having the same | Sang Baek Kim, Hae-seog Jo | 2011-05-24 |
| 7929695 | Printing system and printer with electronic signature capability and method thereof | Eun-ah Song, Hyun-sun Jung | 2011-04-19 |
| 7843583 | Electronic album image forming apparatus | Min-seon Kim | 2010-11-30 |
| 7725044 | Image forming apparatus for determining licensed or unlicensed products and method of controlling the same | — | 2010-05-25 |
| 7447453 | Apparatus and method of driving a transfer belt | Cheol-ju Yang, Su-kyoung Chae, Moon-bae Park | 2008-11-04 |
| 7315700 | Image forming apparatus capable of optimum outputting according to the grade of consumables | Jeong-Soo Han | 2008-01-01 |
| 6943907 | Printer, image printing system to which the printer is applied, and method for printing confidential document | — | 2005-09-13 |
| 6934480 | Device and method for measuring image density | Woo-jung Shim, Min-seon Kim, Seung-deog An | 2005-08-23 |