Prodisc Technology Inc.
24Patents
2Active
24Granted
32Portfolio score
Filing activity: Sep 9, 2002 → Mar 30, 2007 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6898030B1 | Camera lens assembly | Physics | 34 | Expired |
| US6862139B2 | Rear projection screen, optical component thereof, and method for manufacturing the optical component | Physics | 19 | Expired |
| US6705733B1 | Color wheel and washer thereof | Physics | 8 | Expired |
| US6896376B2 | Color wheel and motor for the same | Physics | 6 | Expired |
| US6769776B1 | Color wheel assembly | Physics | 5 | Expired |
| US6846517B2 | Coating device and method | Chemistry; Metallurgy | 3 | Expired |
| US7287863B2 | Light tunnel with gradient filter layer | Physics | 3 | Expired |
| US7163730B2 | Optical information storage medium and method for manufacturing the same | Physics | 2 | Expired |
| US7367694B2 | Projector and lamp housing thereof | Physics | 2 | Expired |
| US6754014B1 | Color wheel | Physics | 2 | Expired |
| US6769775B2 | Motor of color wheel | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7386215B1 | Projection system and light tunnel thereof | Physics | 1 | Active |
| US7210821B2 | Light-splitting device | Physics | 1 | Expired |
| US6867934B2 | Color wheel | Physics | 1 | Expired |
| US7064909B2 | Image pickup lens assembly with a filter lens | Physics | 1 | Expired |
| US7125124B2 | Projection system | Physics | 0 | Expired |
| US7390548B2 | Optical information storage medium | Emerging Cross-Sectional Technologies | 0 | Active |
| US7083882B2 | Coating method for a color filter and aligning-assembling method by using the same | Physics | 0 | Expired |
| US7400450B2 | Light-splitting device | Physics | 0 | Expired |
| US6793780B2 | Stamper forming method | Physics | 0 | Expired |
| US7375884B2 | Rear projection screen and optical device thereof | Physics | 0 | Expired |
| US7218464B2 | Aligning-assembling method for color wheel | Physics | 0 | Expired |
| US7061701B2 | Color wheel | Physics | 0 | Expired |
| US6841319B2 | Method for manufacturing optical devices | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.