Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631824 | Apparatus for controlling pressure of an air pocket of double-layered cooking vessel | — | 2003-10-14 |
| 6467645 | Cooking container and manufacturing method therefor | — | 2002-10-22 |
| 6320166 | Double layered cooking apparatus | — | 2001-11-20 |
| 6191393 | Cooking utensil and manufacturing method therefor | — | 2001-02-20 |
| 4811138 | Cassette loading device of video cassette tape recorder | — | 1989-03-07 |
| 4757400 | Cassette housing construction of a video cassette recorder | — | 1988-07-12 |
| 4725703 | Turn table for use in a microwave range | — | 1988-02-16 |
| 4690439 | Mechanism for opening and closing a door of a home electric equipment, particularly a electronic range | — | 1987-09-01 |