Seung-nam Cha
42Patents
6h-index
35Co-inventors
65Inventor score
Filing activity: Apr 15, 1998 → Mar 1, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6317170A | Large screen compact image projection apparatus using a hybrid video laser color mixer | Physics | 34 | Expired |
| US7972930B2 | Transistor and method of manufacturing the same | Emerging Cross-Sectional Technologies | 22 | Active |
| US8064249B2 | Nanowire electromechanical switching device, method of manufacturing the same and electromechanical memory device using the nanowire electromechanical switching device | Emerging Cross-Sectional Technologies | 16 | Active |
| US8680514B2 | Electric energy generator | Emerging Cross-Sectional Technologies | 9 | Active |
| US8926915B2 | Smell-diffusing cell array substrate, apparatus for transferring smell information and electronic device including the apparatus | Performing Operations; Transporting | 7 | Active |
| US7532383B2 | Electrochromic device having improved color properties | Physics | 7 | Active |
| US8053846B2 | Field effect transistor (FET) having nano tube and method of manufacturing the FET | Electricity | 6 | Active |
| US7564085B2 | Mechanical memory device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Active |
| US8675167B2 | Polymer dispersed display panels including quantum dots and display apparatuses including the same | Physics | 6 | Active |
| US8691012B2 | Method of manufacturing zinc oxide nanowires | Chemistry; Metallurgy | 5 | Active |
| US8394296B2 | Electroconductive fiber, a fiber complex including an electroconductive fiber and methods of manufacturing the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US6809464B2 | Field emission device and method for fabricating the same | Electricity | 4 | Expired |
| US6632114B2 | Method for manufacturing field emission device | Electricity | 4 | Expired |
| US9270207B2 | Nano generator and method of manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US7719111B2 | Nanowire electromechanical device and method of fabricating the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US8975805B2 | Electrical energy generator | Emerging Cross-Sectional Technologies | 3 | Active |
| US8283739B2 | Apparatuses for generating electrical energy | Emerging Cross-Sectional Technologies | 3 | Active |
| US8077374B2 | Display devices using electrochromism and polymer dispersed liquid crystal and methods of driving the same | Physics | 3 | Active |
| US6468916B2 | Method of forming structure having surface roughness due to nano-sized surface features | Electricity | 3 | Expired |
| US8410563B2 | Apparatuses for generating electrical energy | Emerging Cross-Sectional Technologies | 2 | Active |
| US8749735B2 | Color filter and display devices including the same | Physics | 2 | Active |
| US9312468B2 | Nano-piezoelectric generator and method of manufacturing the same | Electricity | 2 | Active |
| US6927534B2 | Field emission device | Electricity | 2 | Expired |
| US9134568B2 | Varifocal lens | Physics | 2 | Active |
| US9309405B2 | Nanofiber-nanowire composite and fabrication method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.