Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10712869 | Touch panel controller for sensing change in capacitance | Choong Hoon Lee, Cha-Dong Kim, Jun Chul Park, Dong Wook Lim, Yoon-Kyung Choi | 2020-07-14 |
| 10488985 | Touch sensor controller | Choong Hoon Lee, Yoon-Kyung Choi, Cha-Dong Kim, Jun Chul Park, Dong Wook Lim | 2019-11-26 |
| 10156935 | Touch screen controller, touch sensing device, and touch sensing method | Kyeong-gon Lee, Bum-Soo Kim, Jun Chul Park, Yoon-Kyung Choi, San-ho Byun +1 more | 2018-12-18 |
| 10082916 | Circuit for cancelling offset capacitance of capacitive touch screen panel and device including the same | Bum-Soo Kim, Jun Chul Park, Hyun Kyu Ouh, Cha-Dong Kim, San-ho Byun +1 more | 2018-09-25 |
| 9886136 | Touch screen controller using adaptive filter control and touch screen system having the same | Jun Chul Park, Bum-Soo Kim, Kyeong-gon Lee, Cha-Dong Kim, San-ho Byun +1 more | 2018-02-06 |
| 6292179 | Software keyboard system using trace of stylus on a touch screen and method for recognizing key code using the same | — | 2001-09-18 |
| 6182170 | Method for replacing program in portable information terminal using utility program and new program received via communication unit and determining utility program appropriateness for replacement | Chae-hee Won, Jun Il Hong | 2001-01-30 |
| 6108791 | Password processing apparatus and method | Byung Gul Lim | 2000-08-22 |
| 6091031 | Portable information terminal and an activating method thereof | Je Hyung Lee, Jae-seong Oh | 2000-07-18 |
| 6085268 | Portable information terminal/method for renewing programs using PC card with utility programs on PC card displayed for selection according to control signal from controller | Chae-hee Won, Je Hyoung Lee | 2000-07-04 |
| 6084529 | Device and method of processing a radio paging message in a portable terminal | Dong Hoon Shin | 2000-07-04 |
| 5627708 | High power factor electronic stabilizer with protection circuit | — | 1997-05-06 |