Hiroaki Ukawa
25Patents
3h-index
11Co-inventors
56Inventor score
Filing activity: Apr 17, 2007 → Mar 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7432589B2 | Semiconductor device | Electricity | 48 | Active |
| US7815343B2 | Light emitting device | Electricity | 30 | Active |
| US9728690B2 | Light emitting device and method of manufacturing the same | Electricity | 4 | Active |
| US9755123B2 | Light emitting device and method of manufacturing the light emitting device | Electricity | 2 | Active |
| US10103299B2 | Light emitting device | Electricity | 2 | Active |
| US9172013B2 | Light emitting device having dual sealing resins | Electricity | 1 | Active |
| US10593847B2 | Light emitting device | Electricity | 1 | Active |
| US9608182B2 | Light emitting device and method for manufacturing the same | Electricity | 1 | Active |
| US10431572B2 | Light emitting device and method of manufacturing the light emitting device | Electricity | 0 | Active |
| US11189764B2 | Light-emitting device and manufacturing method thereof | Electricity | 0 | Active |
| US11367821B2 | Light emitting device | Electricity | 0 | Active |
| US11735697B2 | Light-emitting device and method of manufacturing the same | Electricity | 0 | Active |
| US10153415B2 | Light emitting device having dual sealing resins | Electricity | 0 | Active |
| US10806809B2 | Light-emitting device | Electricity | 0 | Active |
| US10361347B2 | Light emitting device | Electricity | 0 | Active |
| US10493175B2 | Method for manufacturing light-emitting device | Electricity | 0 | Active |
| US11677054B2 | Light-emitting device | Electricity | 0 | Active |
| US11094676B2 | Light emitting device | Electricity | 0 | Active |
| US11322658B2 | Light-emitting device and method of manufacturing the same | Electricity | 0 | Active |
| US10756246B2 | Light emitting device | Electricity | 0 | Active |
| US11094864B2 | Light emitting device | Electricity | 0 | Active |
| US11315913B2 | Light emitting device and method of manufacturing the light emitting device | Electricity | 0 | Active |
| US11233184B2 | Light-emitting device and method for manufacturing the same | Electricity | 0 | Active |
| US9634213B2 | Light emitting device having dual sealing resins | Electricity | 0 | Active |
| US10873015B2 | Light emitting device and method of manufacturing the light emitting device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.