KOA Corporation
151Patents
133Active
151Granted
57Portfolio score
Filing activity: Nov 29, 1984 → Jun 29, 2023 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7782173B2 | Chip resistor | Electricity | 29 | Active |
| US7782174B2 | Chip resistor | Electricity | 22 | Active |
| US7053749B2 | Metal plate resistor | Electricity | 20 | Expired |
| US5572181A | Overcurrent protection device | Electricity | 16 | Expired |
| US10163553B2 | Resistor and method for producing the same | Electricity | 14 | Active |
| US7042330B2 | Low resistance value resistor | Electricity | 12 | Expired |
| US8405318B2 | Light-emitting component and its manufacturing method | Electricity | 11 | Active |
| US4647813A | Electroluminescent device having an additional selenium layer | Electricity | 10 | Expired |
| US8471674B2 | Shunt resistor and method for manufacturing the same | Emerging Cross-Sectional Technologies | 9 | Active |
| US7084730B2 | Chip coil and printed circuit board for the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7292022B2 | Current detection resistor, mounting structure thereof and method of measuring effective inductance | Physics | 9 | Expired |
| US5858454A | Overcurrent protection device | Electricity | 9 | Expired |
| US9378873B2 | Shunt resistor and method for manufacturing the same | Emerging Cross-Sectional Technologies | 8 | Active |
| US8324816B2 | LED driving circuit | Electricity | 8 | Active |
| US10026529B2 | Shunt resistor | Electricity | 7 | Active |
| US8149082B2 | Resistor device | Emerging Cross-Sectional Technologies | 6 | Active |
| US8203422B2 | Resistor device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Active |
| US8085551B2 | Electronic component and manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Active |
| US10614933B2 | Shunt resistor and mounted structure of shunt resistor | Electricity | 6 | Active |
| US6794985B2 | Low resistance value resistor | Electricity | 6 | Expired |
| US8432248B2 | Method for manufacturing a resistor | Emerging Cross-Sectional Technologies | 5 | Active |
| US9293242B2 | Shunt resistor device | Physics | 5 | Active |
| US6798189B2 | Current detection resistor, mounting structure thereof and method of measuring effective inductance | Physics | 5 | Expired |
| US9625494B2 | Current detection resistor | Electricity | 4 | Active |
| USD566043S1 | Metal plate resistor | General | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.