Young Optics Inc.
252Patents
241Active
252Granted
59Portfolio score
Filing activity: Jul 23, 2002 → Jan 12, 2023 · 89 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8054556B2 | Lens | Physics | 88 | Active |
| US7995298B2 | Illumination system | Physics | 17 | Active |
| US7850335B2 | Light source module | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US7529024B1 | Polarization conversion system and illumination module | Physics | 10 | Active |
| US7944620B2 | Zoom lens | Physics | 10 | Active |
| US6604830B1 | Color wheel | Physics | 9 | Expired |
| US7701649B2 | Fixed-focus lens | Physics | 9 | Active |
| US9261670B2 | Fixed-focus lens | Physics | 8 | Active |
| US7423819B1 | Fixed-focus lens | Physics | 8 | Active |
| US7350928B2 | Projection display system | Physics | 8 | Active |
| US7477799B2 | Image shifting module and optical projection device | Physics | 7 | Active |
| US8228611B2 | Lens module | Physics | 7 | Active |
| US7740382B2 | Light source module including light converging element | Physics | 7 | Active |
| US7859770B2 | Fixed-focus lens | Physics | 7 | Active |
| US8000023B2 | Zoom lens | Physics | 6 | Active |
| US7824038B2 | Method for controlling dual lamp module | Physics | 6 | Active |
| US7537352B2 | Light emitting diode illumination device capable of providing uniformly polarized light | Physics | 5 | Active |
| US7952817B2 | Projection lens | Physics | 5 | Active |
| US7405885B2 | Zoom lens | Physics | 5 | Active |
| US7559671B2 | Illumination system | Physics | 5 | Active |
| US6967839B2 | Cooling device for light valve | Electricity | 5 | Expired |
| US7607781B2 | Heat-dissipating device for a projection apparatus | Physics | 5 | Active |
| US9001430B2 | Lens module and image apparatus | Electricity | 5 | Active |
| US7242543B1 | Filter device | Physics | 5 | Active |
| US8045273B2 | Light projection apparatus and light-mixing module thereof | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.