TAMRON CO., LTD.
207Patents
184Active
207Granted
58Portfolio score
Filing activity: May 20, 1976 → Nov 6, 2023 · 69 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8279537B2 | Imaging lens, camera module, and imaging apparatus | Physics | 120 | Active |
| US8451549B2 | Enhanced variable power zoom lens | Physics | 116 | Active |
| USD783700S1 | Camera lens | General | 71 | Active |
| US7720366B2 | Actuator, and lens unit and camera with the same | Physics | 46 | Active |
| USD248766S | Barrel for interchangeable lens | General | 39 | Expired |
| US8066438B2 | Camera apparatus | Electricity | 30 | Active |
| USD786954S1 | Camera lens | General | 25 | Active |
| USD794107S1 | Camera lens | General | 15 | Active |
| US7620305B2 | Actuator, and leans unit and camera with the same | Electricity | 12 | Expired |
| US5646466A | Actuating apparatus and actuator | Electricity | 10 | Expired |
| US9310525B2 | Antireflection film and optical device | Emerging Cross-Sectional Technologies | 9 | Active |
| US7746563B2 | Large magnification factor zoom lens | Physics | 9 | Active |
| US6580566B1 | Zoom lens and zoom lens barrel | Physics | 8 | Expired |
| US8018666B2 | Lens-driving unit | Electricity | 8 | Active |
| US7101049B2 | Projector optics and projector with light source of LEDs | Electricity | 7 | Expired |
| US6791762B2 | High zoom ratio lens | Physics | 7 | Expired |
| US7539404B2 | Camera with vibration-proofing device that includes movable and fixed member with pin-shaped support member between them with curved surfaces | Physics | 6 | Active |
| US8139291B2 | Image blur prevention actuator and lens unit and camera equipped therewith | Physics | 6 | Active |
| US6912095B2 | Projection lens system | Physics | 6 | Expired |
| US7755666B2 | Actuator, and lens unit and camera with the same | Physics | 6 | Active |
| US8085474B2 | Zoom lens | Physics | 6 | Active |
| US7009779B2 | Macro lens | Physics | 6 | Expired |
| US6437923B1 | High zoom ratio lens | Physics | 5 | Expired |
| US9116286B2 | Internal focus lens | Physics | 5 | Active |
| US7532247B2 | Image pickup apparatus | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.