Jun Koujima
16Patents
2h-index
15Co-inventors
51Inventor score
Filing activity: Dec 22, 2000 → Dec 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8479999B2 | Composite magnetic antenna and RF tag, and metal part and metal tool on which the composite magnetic antenna or RF tag is installed | Electricity | 5 | Active |
| US6821618B2 | Magnetic recording medium and process for producing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9311590B2 | RF tag, magnetic antenna, board mounted with the RF tag, and communication system | Electricity | 2 | Active |
| USD874463S1 | Wireless IC tag | General | 2 | Active |
| US6753077B2 | Magnetic recording medium and process for producing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9634735B2 | Magnetic antenna, and RF tag and board mounted with the RF tag | Electricity | 2 | Active |
| US6916530B2 | Perpendicular magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9218559B2 | Composite RF tag, and tool mounted with the composite RF tag | Electricity | 1 | Active |
| US9397401B2 | Magnetic antenna, board mounted with the same, and RF tag | Electricity | 1 | Active |
| USD890007S1 | Wireless IC tag | General | 0 | Active |
| US11228106B2 | Electronic component, antenna and RF tag | Electricity | 0 | Active |
| US8720787B2 | Composite RF tag, and tool mounted with the composite RF tag | Electricity | 0 | Active |
| USD894773S1 | Wireless IC tag | General | 0 | Active |
| US11942701B2 | Module substrate antenna and module substrate using same | Electricity | 0 | Active |
| US10027017B2 | Magnetic antenna, and RF tag and board mounted with the RF tag | Electricity | 0 | Active |
| US11551851B2 | Module substrate antenna, and module substrate mounting the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.