53 US patents granted on 31 March 2009 and assigned to Canon
| 1 | 7,512,811 | Encryption/decryption method for data limited in value range, apparatus and program therefor |
| 2 | 7,512,791 | Communication apparatus and method for discriminating confidentiality of received data |
| 3 | 7,512,709 | Address restriction method, address restriction program, and address restriction apparatus |
| 4 | 7,512,370 | Image heating apparatus |
| 5 | 7,512,361 | Process cartridge whose developing roller and drum contact and separate from each other and image forming apparatus using such cartridge |
| 6 | 7,512,352 | Image forming apparatus with switched-potential responsive to attenuation of a remaining voltage |
| 7 | 7,512,350 | Image forming apparatus and method that identify halftone process parameter |
| 8 | 7,512,349 | Image forming apparatus and method featuring correction for compensating differences in surface potential characteristics of an image supporting body |
| 9 | 7,512,348 | Image forming apparatus with a toner replenishment feature |
| 10 | 7,512,330 | Focus state detection apparatus and optical instrument |
| 11 | 7,512,329 | Image pickup method, image pickup apparatus, program for implementing the method, and storage medium storing the program |
| 12 | 7,512,328 | Image-taking apparatus and focusing method |
| 13 | 7,512,316 | Signal processor, program signal recorder, display unit, television set, signal processing method and signal processing program |
| 14 | 7,512,271 | Dynamically reconfigurable signal processing circuit, pattern recognition apparatus, and image processing apparatus |
| 15 | 7,512,214 | Radiography apparatus, radiography system, and control method thereof |
| 16 | 7,512,160 | Control method of distributed Bragg reflection semiconductor laser, and image projecting apparatus |
| 17 | 7,512,021 | Register configuration control device, register configuration control method, and program for implementing the method |
| 18 | 7,511,903 | Lens apparatus |
| 19 | 7,511,889 | Color separation/combination prism and image-projection apparatus |
| 20 | 7,511,888 | Projection optical system, exposure apparatus, device manufacturing method, and device manufactured by using the same |
| 21 | 7,511,876 | Dispersion for electrophoretic display, and electrophoretic display device |
| 22 | 7,511,869 | Optical scanning device |
| 23 | 7,511,865 | Image scanning apparatus |
| 24 | 7,511,850 | Storage media control circuit and apparatus including same |
| 25 | 7,511,843 | Data processing apparatus and method |
| 26 | 7,511,839 | Composite apparatus and facsimile apparatus connectable to LAN, and control method for LAN connection |
| 27 | 7,511,803 | Method for displaying result of measurement of eccentricity |
| 28 | 7,511,765 | Image processing apparatus and control method thereof |
| 29 | 7,511,759 | Image pickup apparatus, control method thereof, control program thereof and storage medium, with movement of focus lens on basis of evaluation values extracted by long period scan upon failure of detection of peak position by short period scan |
| 30 | 7,511,758 | Optical apparatus and camera system |
| 31 | 7,511,756 | Image-taking apparatus and image processing method |
| 32 | 7,511,735 | Image-taking apparatus correcting image-taking parameter during normal image-taking based on correction amount set in calibration mode |
| 33 | 7,511,731 | Image photographing apparatus and image processing method |
| 34 | 7,511,727 | Fixation heater control method and image formation device |
| 35 | 7,511,721 | Radiographic image connection processing method, radiographic image connection processing apparatus, computer program, and computer-readable recording medium |
| 36 | 7,511,512 | Probe and near-field microscope |
| 37 | 7,511,425 | Image display apparatus having ion pump and electron-emitting devices in communication via mesh or stripe shaped member |
| 38 | 7,511,408 | Spacer for image display apparatus and image display apparatus |
| 39 | 7,511,296 | Organic semiconductor device, field-effect transistor, and their manufacturing methods |
| 40 | 7,511,256 | Photoelectric conversion apparatus and image reading apparatus having power supply stop means for stopping supplying power to a part of the apparatus |
| 41 | 7,511,235 | Electronic apparatus |
| 42 | 7,510,898 | Method of manufacturing image display device and method of dividing device |
| 43 | 7,510,813 | Resin-coated carrier for electrophotographic developer |
| 44 | 7,510,805 | Lithium metal composite oxide particles having particles with columnar or planar shape |
| 45 | 7,510,796 | Electronic equipment having a battery receiving chamber and battery lid with a movable contact terminal |
| 46 | 7,510,783 | Organic light-emitting element and display device |
| 47 | 7,510,781 | Spiro compound and organic luminescence device using the same |
| 48 | 7,510,780 | Structured material, magnetic recording medium utilizing the same, and magnetic recording/reproducing apparatus |
| 49 | 7,510,740 | Method for making piezoelectric element |
| 50 | 7,510,604 | Cyan ink for ink jet and ink jet recording method |
| 51 | 7,510,388 | Mold, imprint method, and process for producing chip |
| 52 | 7,510,112 | Data processing device, consumable information notification method, storage medium for storing computer-readable program, and program |
| 53 | 7,510,085 | Apparatus for discriminating sheet material |