Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11861749 | Apparatus and method for calculating estimate for installation of water heater | Heung Rak Son | 2024-01-02 |
| 11473787 | Boiler for heating and hot-water control method therefor | Chang Heoi Hu, Yong Song | 2022-10-18 |
| 10955137 | Combustion device capable of measuring gas use amount, and method for measuring gas use amount | Yong Song | 2021-03-23 |
| 10663356 | Method for measuring temperature at each location of pipe in hot water supply system | Seung Kil Son, Chang Heo Heo, Jung Keom Kim, You Bin LEE | 2020-05-26 |
| 9513018 | Method for controlling a parallel operation of a multi-water heater | Changheoi Heo | 2016-12-06 |
| 9317386 | Event processing method and apparatus performing the same | Yoo Jin Chang, Tae-Chang Jee, Jaeman KIM, Hyunpyo Kim, Sangwoo Lee +2 more | 2016-04-19 |
| 9227904 | Method for producing glucaric acid | Chae Hwan Hong, Young Gyu Kim, Na Ra Shin | 2016-01-05 |
| 9183944 | Method of writing data in non-volatile memory device | Sang-Yong Yoon, Kyung-Ryun Kim | 2015-11-10 |
| 9102647 | Method for preparing lactide using an ionic solvent | Chae Hwan Hong, Do Suck Han, Ji Yeon SEO | 2015-08-11 |
| 9093171 | Method of operating a nonvolatile memory device having read disturbed page | Sang-Yong Yoon | 2015-07-28 |
| 8851021 | Method for controlling hot water temperature through operation of a circulation pump | Yongmin Song | 2014-10-07 |
| 8759545 | Method of preparing lactide from lactate | Chae Hwan Hong, Jiyoun Seo, Do Suck Han | 2014-06-24 |
| 8681545 | Methods of programming semiconductor memory devices | Joon-Suc Jang, Duck-Kyeun Woo | 2014-03-25 |
| 8673600 | Method and apparatus for producing lactic acid | Chae Hwan Hong, Jiyoun Seo, Do Suck Han | 2014-03-18 |
| 8545649 | Method for preparing nonwoven fusible interlining using pattern printing | — | 2013-10-01 |
| 8499210 | Flash memory device, flash memory system, and method of programming flash memory device | Joon-Suc Jang, Ki-Hwan Choi, Duck-Kyun Woo | 2013-07-30 |
| 8446775 | Methods of programming semiconductor memory devices | Joon-Suc Jang, Duck-Kyun Woo | 2013-05-21 |
| 8385120 | Method of programming a nonvolatile memory device | Joon-Suc Jang, Ki-Hwan Choi, Duck-Kyun Woo | 2013-02-26 |
| 8285129 | Hot water supply system for constantly maintaining temperature of hot water | Yong-Bum Kim | 2012-10-09 |
| 8235707 | Multi-boiler and control method thereof for preventing back flow of exhaust gas | — | 2012-08-07 |
| 8203406 | Magnetic having linear magnetic flux density | — | 2012-06-19 |
| 8109758 | System and control method for detecting an abnormal burning situation using air pressure sensing and flame detection | — | 2012-02-07 |
| 8011921 | System and control method for detecting an abnormal burning situation using air pressure sensing and flame detection | — | 2011-09-06 |
| 7963236 | Boiler and method for controlling air and fuel ratio using air pressure sensor | — | 2011-06-21 |
| 7677108 | Accurate pressure sensor | — | 2010-03-16 |