Sung-Wook Kwon
16Patents
7h-index
7Co-inventors
55Inventor score
Filing activity: May 14, 2003 → Jun 11, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7134162B2 | Toothbrush having soft and hard bristles together | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7646248B2 | Harmonic tuned doherty amplifier | Electricity | 14 | Active |
| US7448693B2 | Toothbrush having needle-shaped bristle tapered at one end and manufacturing method thereof | Human Necessities | 12 | Active |
| US9757674B2 | Air cleaning device | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8172337B2 | Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof | Human Necessities | 11 | Expired |
| US8333436B2 | Processing method for taper of needle-shaped bristle enhanced throughput | Human Necessities | 9 | Active |
| US8522389B2 | Manufacturing method of needle-shaped bristles having short taper length and a toothbrush by same manufacturing method | Human Necessities | 8 | Active |
| US8336967B2 | Method of tapering bristles for toothbrushes, and toothbrush having bristles manufactured by said method | Human Necessities | 7 | Active |
| US8029069B2 | Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same | Human Necessities | 7 | Active |
| US8186765B2 | Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same | Human Necessities | 4 | Active |
| US8136889B2 | Needle-shaped bristle and method of manufacturing the same | Human Necessities | 4 | Active |
| US7832811B2 | Method of manufacturing toothbrush with needle-shaped bristles and toothbrush manufactured by the same | Human Necessities | 4 | Active |
| US8403425B2 | Processing method for taper of needle-shaped bristle enhanced throughput | Human Necessities | 3 | Active |
| US7938492B2 | Toothbrush having pressure relief unit and method of producing same | Performing Operations; Transporting | 3 | Active |
| US8424145B2 | Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof | Human Necessities | 3 | Active |
| US8918945B2 | Toothbrush with needle-shaped bristles for improving tooth and gum contacting force and teeth-cleaning performance, and method for manufacturing same | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.