Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253230 | Lighting apparatus and mobile vehicle comprising lighting apparatus | — | 2025-03-18 |
| 12038145 | Lighting apparatus and mobile vehicle comprising lighting apparatus | — | 2024-07-16 |
| 11649940 | Lighting apparatus and mobile vehicle comprising lighting apparatus | — | 2023-05-16 |
| 10378725 | Light emitting module and lens | Sung Ki HWANG | 2019-08-13 |
| 5444893 | Apparatus for preventing bumping and falling of automatic travelling vacuum cleaner | Jin Seong Hwang | 1995-08-29 |
| 5353224 | Method for automatically controlling a travelling and cleaning operation of vacuum cleaners | Jin Seong Hwang | 1994-10-04 |
| 5293955 | Obstacle sensing apparatus for a self-propelled cleaning robot | — | 1994-03-15 |