Sadato Imai
55Patents
16h-index
27Co-inventors
80Inventor score
Filing activity: Oct 24, 2002 → Aug 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7690813B2 | LED illumination lamp device | Mechanical Engineering; Lighting; Heating | 97 | Active |
| USD615052S1 | Light-emitting diode | General | 74 | Expired |
| USD618635S1 | Light-emitting diode for illuminating an object | General | 71 | Expired |
| USD592615S1 | Light-emitting diode for illuminating an object | General | 60 | Expired |
| USD669041S1 | Light-emitting diode | General | 59 | Active |
| USD607420S1 | Light-emitting diode for illuminating an object | General | 58 | Expired |
| USD591248S1 | Light-emitting diode for illuminating an object | General | 55 | Expired |
| USD645417S1 | Light-emitting diode | General | 40 | Expired |
| USD586303S1 | Light-emitting diode unit for illuminating an object | General | 32 | Expired |
| USD478879S1 | Light-emitting diode | General | 31 | Expired |
| US7078728B2 | Surface-mounted LED and light emitting device | Electricity | 30 | Expired |
| US7253447B2 | Light emitting element and light emitting device with the light emitting element and method for manufacturing the light emitting element | Electricity | 28 | Expired |
| US7070304B2 | Light emitting diode | Emerging Cross-Sectional Technologies | 28 | Expired |
| USD640997S1 | Light-emitting diode | General | 27 | Expired |
| US7157853B2 | Planar light emitting diode with shielding and back light unit | Electricity | 18 | Expired |
| USD647492S1 | Light-emitting diode | General | 17 | Expired |
| USD575246S1 | Light-emitting diode unit for illuminating an object | General | 14 | Expired |
| US8154037B2 | Light-emitting diode light source apparatus | Electricity | 13 | Active |
| US6774404B2 | Light emitting diode | Electricity | 12 | Expired |
| US7642704B2 | Light-emitting diode with a base | Electricity | 11 | Active |
| USD587218S1 | Light-emitting diode for illuminating an object | General | 8 | Expired |
| USD750581S1 | Light emitting diode | General | 8 | Active |
| US9360167B2 | LED module and LED lamp employing same | Electricity | 8 | Active |
| US9022828B2 | Light-emitting device, lighting device including the light-emitting device, and method of manufacturing the light-emitting device | Electricity | 7 | Active |
| US7560748B2 | Light emitting diode unit | Electricity | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.