Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508197 | Static compensator and method for controlling thereof | Jong Su Yoon | 2013-08-13 |
| 8046111 | System and method for controlling multiple facts | Byung-Hoon Chang, Soo Kim, Jong Su Yoon, No Hong Kwak | 2011-10-25 |
| 7026881 | Wideband variable frequency voltage controlled oscillator | Chul Soon Park | 2006-04-11 |
| 6922121 | Power saving electromagnetic switch | — | 2005-07-26 |
| 5755300 | Variable-assist power steering apparatus | Byeong Jo Lee, Jea Duk Kim | 1998-05-26 |
| 5500007 | Therapeutic, portable water bed assembly having a water heating system | Soon Ja Kim | 1996-03-19 |
| 5259379 | Therapeutic, portable folding chair provided with a water heating system | Soon Ja Kim | 1993-11-09 |
| 5241959 | Therapeutic, portable water bed assembly having a water heating system | Soon Ja Kim | 1993-09-07 |
| 5146633 | Therapeutic, portable bed provided with a water heating system | Soon Ja Kim | 1992-09-15 |