Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264676 | Magnetic drive and hybrid pump including the same | — | 2025-04-01 |
| 12203563 | Valve having locking function | — | 2025-01-21 |
| 11828368 | Butterfly valve and method of manufacturing the same | — | 2023-11-28 |
| 11746790 | Magnetic drive and hybrid pump including the same | — | 2023-09-05 |
| 11703056 | Plastic pump, and method for manufacturing same | — | 2023-07-18 |
| 11662028 | Butterfly valve and method of manufacturing the same | — | 2023-05-30 |
| 11592135 | Fitting for preventing distortion | — | 2023-02-28 |
| 11473687 | Plastic valve for preventing distortion | — | 2022-10-18 |
| 11396886 | Casing for preventing distortion and pump including the same | — | 2022-07-26 |
| 11260478 | Valve for preventing distortion | — | 2022-03-01 |
| 11204101 | Valve having streamlined fluid flow space | — | 2021-12-21 |
| 11199266 | Butterfly valve and method of manufacturing the same | — | 2021-12-14 |
| 10962132 | Plastic valve for preventing distortion | — | 2021-03-30 |
| 9945656 | Multi-function spectroscopic device | Ho-Jae Lee | 2018-04-17 |
| 9403321 | Method for manufacturing high performance butterfly valve liner | — | 2016-08-02 |
| 7223158 | Method for polishing a semiconductor wafer | Jae-Phil Boo, Jun-Gyu Ryu, Sun-Wung Lee | 2007-05-29 |
| 7081045 | Apparatus for polishing a semiconductor wafer | Jae-Phil Boo, Jun-Gyu Ryu, Sun-Wung Lee | 2006-07-25 |
| 7052368 | Polishing pad for chemical mechanical polishing apparatus | Jin Kook Kim, Jae-Phil Boo, Jong Bok Kim | 2006-05-30 |
| 7044833 | Apparatus for transporting and polishing wafers | Hyun Joo Yun, Jong Bok Kim, Kwang Hee Lee, Min Su Kim, Hyun-Sung Lee | 2006-05-16 |
| 6945861 | Polishing head of chemical mechanical polishing apparatus and polishing method using the same | Jae-Phil Boo, Jong Soo Kim, Jun-Gyu Ryu, Sun-Wung Lee | 2005-09-20 |
| 6921323 | Apparatus for polishing a semiconductor wafer and method therefor | Jae-Phil Boo, Jun-Gyu Ryu, Sun-Wung Lee | 2005-07-26 |
| 6881135 | Polishing head of chemical mechanical polishing apparatus and polishing method using the same | Jae-Phil Boo, Jong Soo Kim, Jun-Gyu Ryu, Sun-Wung Lee | 2005-04-19 |
| 6769973 | Polishing head of chemical mechanical polishing apparatus and polishing method using the same | Jae-Phil Boo, Jong Soo Kim, Jun-Gyu Ryu, Sun-Wung Lee | 2004-08-03 |
| 6652362 | Apparatus for polishing a semiconductor wafer and method therefor | Jae-Phil Boo, Jun-Gyu Ryu, Sun-Wung Lee | 2003-11-25 |
| D481020 | Set-top box | — | 2003-10-21 |