Ippei Yamamoto
20Patents
2h-index
14Co-inventors
50Inventor score
Filing activity: Nov 2, 2004 → Jun 13, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8425097B2 | Lamp unit | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7204620B2 | Headlamp device with swivel control for a vehicle | Performing Operations; Transporting | 6 | Expired |
| US9644810B2 | Lamp unit | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10260697B2 | Vehicle lamp having integral projection lenses and a primary array of light emitting elements arranged on common support with apertures and a secondary array of light emitting elements arranged behind apertures | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8439539B2 | Low-beam lamp unit | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8858050B2 | Vehicular lamp with plurality of light source and complex lens | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9423087B2 | Vehicular lamp | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10100993B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9885455B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10634302B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9175823B2 | Vehicular headlamp | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7461953B2 | Vehicle headlamp | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US10222033B2 | Vehicle lamp having a hooking structure | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9897274B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8939624B2 | Lighting unit and vehicular lighting apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9476556B2 | Vehicle headlight assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10520158B2 | Arrangement of plural light emitting chips in a vehicle lamp | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10024508B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10514144B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10100994B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.