Ryotaro Owada
38Patents
8h-index
22Co-inventors
75Inventor score
Filing activity: Apr 4, 2000 → Oct 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7857497B2 | LED lighting fixture | Mechanical Engineering; Lighting; Heating | 52 | Active |
| US7625102B2 | Lighting device | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US7019334B2 | LED lamp for light source of a headlamp | Electricity | 35 | Expired |
| US7232247B2 | Vehicle lamp | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7312477B2 | Led lamp for light source | Electricity | 17 | Expired |
| US8251560B2 | Vehicle headlight | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8075166B2 | Vehicle light | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US7932523B2 | LED lamp for light source of lighting device | Electricity | 9 | Expired |
| US7484872B2 | Vehicle lamp | Emerging Cross-Sectional Technologies | 8 | Active |
| US7059755B2 | Vehicle lamp | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9822947B2 | Lens member and vehicle lighting unit | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7950837B2 | Vehicle lamp | Emerging Cross-Sectional Technologies | 6 | Active |
| US8093613B2 | LED lamp for light source | Electricity | 5 | Active |
| US7622748B2 | LED lamp for light source and method | Electricity | 5 | Active |
| US8100569B2 | Vehicle headlight | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8388202B2 | Vehicle light | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9316374B2 | Vehicle headlight | Physics | 4 | Active |
| US9174689B2 | Vehicle headlight and projection lens | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6447148B1 | Reflecting mirror manufacture method and lamp assembly | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10571090B2 | Automotive headlight | Physics | 2 | Active |
| US8752991B2 | Vehicle lighting device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9103518B2 | Vehicle headlight | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9976720B2 | Vehicle lighting unit | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10174896B2 | Lens body and lighting tool for vehicle | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10746368B2 | Vehicular headlight | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.