Jae Jun Ko
38Patents
2h-index
63Co-inventors
60Inventor score
Filing activity: Dec 6, 2002 → Jul 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8053131B2 | Apparatus and method for determining deterioration of a fuel cell and method for preventing deterioration of the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US10132936B2 | Alpha particle detection apparatus using dual probe structured ionization chamber and differential amplifier | Electricity | 2 | Active |
| US8956774B2 | Method for shutting down fuel cell system | Emerging Cross-Sectional Technologies | 2 | Active |
| US8497045B2 | Purge system for fuel cell with improved cold start performance | Emerging Cross-Sectional Technologies | 1 | Active |
| US11169281B2 | Radon sensor device using polyhedral-shaped ionization chamber | Physics | 1 | Active |
| US10727503B2 | Fuel cell separator for preventing flooding and fuel cell stack including the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7767327B2 | Method of activating vehicle fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US12013500B2 | Apparatus for measuring radon and thoron by using ionization chamber | Electricity | 1 | Active |
| US8519717B2 | Method for detecting ice blocking of fuel cell stack and controlling fuel cell vehicle using the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9494655B2 | Apparatus for diagnosing a state of a fuel cell stack and method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11652227B2 | Antioxidant for fuel cells and fuel cell comprising the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11915859B2 | Core for current transformer | Electricity | 0 | Active |
| US11349140B2 | Antioxidant for electrolyte membrane of fuel cells and method for preparing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11005116B2 | Membrane-electrode assembly for fuel cells having improved durability and manufacturing method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US10118132B2 | Inspection apparatus of electrolyte membrane | Emerging Cross-Sectional Technologies | 0 | Active |
| US11594746B2 | Antioxidant having high antioxidant capability for fuel cell, and electrolyte membrane and membrane-electrode assembly comprising same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11480693B2 | Billing system based on radon concentration pattern analysis and method therefor | Physics | 0 | Active |
| US10714778B2 | Membrane-electrode assembly for fuel cells having improved durability and a polymer electrolyte membrane fuel cell including the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12080927B2 | Antioxidant for fuel cells, membrane electrode assembly including the same and method for preparing antioxidant | Emerging Cross-Sectional Technologies | 0 | Active |
| US11024865B2 | Antioxidant for fuel cells and membrane-electrode assembly including the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10569228B2 | Inspection apparatus of electrolyte membrane | Emerging Cross-Sectional Technologies | 0 | Active |
| US12104807B2 | Radon management system using radon detector | Emerging Cross-Sectional Technologies | 0 | Active |
| US11394044B2 | Antioxidant for fuel cells, membrane electrode assembly including the same and method for preparing antioxidant | Emerging Cross-Sectional Technologies | 0 | Active |
| US11322300B2 | Method for manufacturing a core for a current transformer | Electricity | 0 | Active |
| US7709128B2 | Separating plate for fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.