OSRAM SYLVANIA Inc.
1,462Patents
737Active
1,462Granted
56Portfolio score
Filing activity: May 16, 1991 → Nov 30, 2021 · 316 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7396491B2 | UV-emitting phosphor and lamp containing same | Chemistry; Metallurgy | 503 | Active |
| US8004198B2 | Resetting an electronic ballast in the event of fault | Electricity | 503 | Active |
| USD508575S1 | Tungsten halogen lamp | General | 245 | Expired |
| US7086767B2 | Thermally efficient LED bulb | Mechanical Engineering; Lighting; Heating | 177 | Expired |
| US7618157B1 | Tubular blue LED lamp with remote phosphor | Electricity | 171 | Active |
| USD550864S1 | Lamp | General | 153 | Expired |
| USD544618S1 | Portable lamp | General | 147 | Expired |
| US5508592A | Method for deflecting the arc of an electrodeless hid lamp | Electricity | 144 | Expired |
| US6229271A | Low distortion line dimmer and dimming ballast | Emerging Cross-Sectional Technologies | 140 | Expired |
| US6682211B2 | Replaceable LED lamp capsule | Emerging Cross-Sectional Technologies | 136 | Expired |
| US7093958B2 | LED light source assembly | Electricity | 135 | Expired |
| US8083364B2 | Remote phosphor LED illumination system | Mechanical Engineering; Lighting; Heating | 119 | Active |
| US5551893A | Electrical connector with grommet and filter | Electricity | 119 | Expired |
| US6637921B2 | Replaceable LED bulb with interchangeable lens optic | Mechanical Engineering; Lighting; Heating | 98 | Expired |
| USD544117S1 | Portable lamp | General | 98 | Expired |
| US7150553B2 | Replaceable LED lamp capsule | Emerging Cross-Sectional Technologies | 95 | Expired |
| US7588359B2 | LED lamp with direct optical coupling in axial arrangement | Emerging Cross-Sectional Technologies | 90 | Active |
| US5607320A | Cable clamp apparatus | Emerging Cross-Sectional Technologies | 87 | Expired |
| US8434914B2 | Lens generating a batwing-shaped beam distribution, and method therefor | Mechanical Engineering; Lighting; Heating | 84 | Active |
| US5834905A | High intensity electrodeless low pressure light source driven by a transformer core arrangement | Electricity | 80 | Expired |
| US6773138B2 | Snap together automotive led lamp assembly | Mechanical Engineering; Lighting; Heating | 80 | Expired |
| US5486737A | Heavily loaded double-ended arc lamp | Electricity | 79 | Expired |
| US5702179A | Discharge lamp having light-transmissive conductive coating for RF containment and heating | Mechanical Engineering; Lighting; Heating | 78 | Expired |
| US5574335A | Ballast containing protection circuit for detecting rectification of arc discharge lamp | Emerging Cross-Sectional Technologies | 76 | Expired |
| USD762906S1 | Recessed downlight luminaire | General | 74 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.