Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10421333 | System of air-conditioning seat for vehicle and method for controlling the same | Do Hyung Kim, Ho Sub Lim, Myung-jin Lee, Seung Jae KIM, Sang Hyun Park +2 more | 2019-09-24 |
| 10400324 | Method of treating composite piston pin and surface treated composite piston pin | Sung Chul Cha, June Ho Yang, Hee Sam Kang, Chi Hoon Choi, Sang Yoon Park +1 more | 2019-09-03 |
| 8631825 | Piezo valve | Jin Woo Lee, Sang Hyoun Park | 2014-01-21 |
| 5221321 | Fe-base sintered alloy for valve seats for use in internal combustion engines | — | 1993-06-22 |
| 5001809 | Door apparatus with damper switch | Kyu Chae Kim | 1991-03-26 |