Latest Patents of Leading Technology Companies

Canon patents granted on 31 March 2009
Tuesday March 31st 2009, 10:27 am
Filed under: Canon, Patents

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