Na Ra Han
4Patents
1h-index
25Co-inventors
44Inventor score
Filing activity: Apr 5, 2007 → Sep 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7585164B2 | Backflow preventing apparatus for compressor | Emerging Cross-Sectional Technologies | 7 | Active |
| US12145929B2 | Piperidine derivative and pharmaceutical composition for inhibiting autotaxin comprising same | Chemistry; Metallurgy | 0 | Active |
| US8678774B2 | Scroll compressor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10689572B2 | Etchant composition with high selectivity to silicon nitride | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.