Doo Hee Lee
32Patents
5h-index
60Co-inventors
72Inventor score
Filing activity: Oct 20, 1992 → Aug 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6377643B1 | Apparatus for detecting a synchronization signal in a digital data record/replay device | Electricity | 8 | Expired |
| US5703994A | Index processor for digital VCR and method therefor | Physics | 6 | Expired |
| US6332010A | Synchronizing signal detecting circuit | Electricity | 6 | Expired |
| US6014492A | Video signal recording and reproducing apparatus for digital video cassette tape recorder | Physics | 5 | Expired |
| US10402975B2 | Method and apparatus for segmenting medical images | Physics | 5 | Active |
| US5336379A | Photoelectro-chemical etching method and apparatus of compound semiconductor | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5696867A | Apparatus in digital video tape recorder for detecting a sync signal in digital data | Electricity | 4 | Expired |
| USRE37904E1 | Apparatus in digital video tape recorder for detecting a sync signal in digital data | General | 3 | Expired |
| US5712741A | Synchronizing signal detecting apparatus for digital video cassette recorder | Physics | 2 | Expired |
| US5858590A | Method for forming photoresist patterns | Physics | 2 | Expired |
| US6486935B1 | Liquid crystal display device having improved aperture ratio | Physics | 2 | Expired |
| US9551539B2 | Heat exchanger and manufacturing method thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US5937135A | Tape-independent video signal recording and reproducing apparatus | Electricity | 2 | Expired |
| US5661846A | Reversely reproducing apparatus for DVCR | Electricity | 1 | Expired |
| US10681571B2 | Apparatus and method for managing measurement gap in wireless communication system | Electricity | 1 | Active |
| US5991222A | Method for writing and searching on a tape for a digital signal writing and reproducing device | Physics | 1 | Expired |
| US9996919B2 | Method for extracting airways and pulmonary lobes and apparatus therefor | Physics | 1 | Active |
| US6163423A | Synchronizing signal detector for magnetic recording/reproducing apparatus and synchronizing signal detecting method thereof | Physics | 0 | Expired |
| US7917936B2 | Digital broadcasting receiving apparatus and method for upgrading software thereof | Electricity | 0 | Active |
| US9066266B2 | Apparatus and method for transmitting/receiving system information in broadband wireless communication system | Electricity | 0 | Active |
| US11805835B2 | Hat having head up prevention function | Human Necessities | 0 | Active |
| US8225344B2 | Video processing apparatus and method | Electricity | 0 | Active |
| US11076309B2 | Apparatus and method for managing measurement gap in wireless communication system | Electricity | 0 | Active |
| US11338187B2 | Golf club for practicing swings | Human Necessities | 0 | Active |
| US8107016B2 | Display apparatus and driving method thereof | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.