QD LASER, Inc.
26Patents
26Active
26Granted
49Portfolio score
Filing activity: Jun 9, 2008 → Mar 31, 2023 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD824905S1 | Head-mounted display | General | 19 | Active |
| US10409146B2 | Image projection system, image projection device, image projection method, image projection program, and server device | Physics | 3 | Active |
| US10921598B2 | Image projection device | Physics | 3 | Active |
| US10444519B2 | Image projection device | Physics | 1 | Active |
| US10659743B2 | Image projection device | Physics | 0 | Active |
| US12360405B2 | Optical semiconductor device | Electricity | 0 | Active |
| US11586038B2 | Image projection device | Physics | 0 | Active |
| US10627631B2 | Image projection device and projection device | Physics | 0 | Active |
| US11717157B2 | Visual sense examination device | Human Necessities | 0 | Active |
| US11158034B2 | Image inspection device, image inspection method, and image inspection device component | Physics | 0 | Active |
| US10924716B2 | Image projection device | Physics | 0 | Active |
| US12038620B2 | Image relay device and image projection system | Physics | 0 | Active |
| US11129527B2 | Visual field/visual acuity examination system, visual field/visual acuity examination device, visual field/visual acuity examination method, visual field/visual acuity examination program, and server device | Physics | 0 | Active |
| US10634904B2 | Image projection device | Physics | 0 | Active |
| US9865771B2 | Semiconductor light-emitting element | Electricity | 0 | Active |
| US8160116B2 | Semiconductor laser and method for manufacturing the same | Electricity | 0 | Active |
| US12149053B2 | Semiconductor device | Electricity | 0 | Active |
| US8896911B2 | Laser system | Electricity | 0 | Active |
| US11445903B2 | Vision test device | Human Necessities | 0 | Active |
| US10088682B2 | Image projection device and projection device | Physics | 0 | Active |
| US8625193B2 | Optical semiconductor device | Electricity | 0 | Active |
| US10761329B2 | Image projection device | Physics | 0 | Active |
| US11764546B2 | Semiconductor laser device | Electricity | 0 | Active |
| US10578871B2 | Retinal scan display device for correcting distortion of and inverting image | Physics | 0 | Active |
| US11019995B2 | Retinal scanning type eye examination device, retinal scanning type eye examination system, eyewear provision system, and retinal scanning type eyewear | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.