Young-Jun Kwon
48Patents
9h-index
41Co-inventors
75Inventor score
Filing activity: Oct 4, 1983 → Jun 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9250997B2 | Semiconductor memory device including non-volatile memory, cache memory, and computer system | Physics | 29 | Active |
| US4556420A | Process for combination metal reduction and distillation | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6764142B2 | Method of manufacturing a toothbrush with highly tapered bristles having superior flexibility | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4668287A | Process for producing high purity zirconium and hafnium | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7448693B2 | Toothbrush having needle-shaped bristle tapered at one end and manufacturing method thereof | Human Necessities | 12 | Active |
| US8172337B2 | Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof | Human Necessities | 11 | Expired |
| US4637831A | Process for reduction of zirconium, hafnium or titanium using a zinc or tin seal | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8333436B2 | Processing method for taper of needle-shaped bristle enhanced throughput | Human Necessities | 9 | Active |
| US4511399A | Control method for large scale batch reduction of zirconium tetrachloride | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8229235B2 | Hybrid image data processing system and method | Electricity | 8 | Active |
| US8522389B2 | Manufacturing method of needle-shaped bristles having short taper length and a toothbrush by same manufacturing method | Human Necessities | 8 | Active |
| US4613366A | Continuous reactive metal reduction using a salt seal | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8029069B2 | Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same | Human Necessities | 7 | Active |
| US8336967B2 | Method of tapering bristles for toothbrushes, and toothbrush having bristles manufactured by said method | Human Necessities | 7 | Active |
| US4711664A | Process for producing zirconium sponge with a very low iron content | Chemistry; Metallurgy | 6 | Expired |
| US4722827A | Zirconium and hafnium with low oxygen and iron | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9620540B1 | Image sensor including vertical transfer gate | Electricity | 5 | Active |
| US8136889B2 | Needle-shaped bristle and method of manufacturing the same | Human Necessities | 4 | Active |
| US8186765B2 | Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by 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 |
| US10163946B2 | Three-layer stacked image sensor | Electricity | 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 |
| US9293468B2 | Nonvolatile memory device | Electricity | 3 | Active |
| US8424145B2 | Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.