Kazuomi Sakatani
43Patents
10h-index
25Co-inventors
75Inventor score
Filing activity: Jun 28, 1994 → Oct 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5889884A | Image forming apparatus capable of recognizing top and bottom of document image | Physics | 114 | Expired |
| US5517327A | Data processor for image data using orthogonal transformation | Electricity | 85 | Expired |
| US5721624A | Image reading apparatus improving the joining state of a plurality of image data obtained by dividing and reading out an original image | Electricity | 60 | Expired |
| US5677736A | Data processor | Electricity | 57 | Expired |
| US6330076A | Image processing apparatus | Electricity | 24 | Expired |
| US6538771B1 | Image processor | Electricity | 18 | Expired |
| US6266441A | Image forming apparatus capable of recognizing top and bottom of document image | Physics | 16 | Expired |
| US5966560A | Image forming apparatus with enhanced pretransfer erasing | Physics | 13 | Expired |
| US5987176A | Image processing device | Physics | 12 | Expired |
| US8964246B2 | Image forming apparatus, image forming method, image density measuring apparatus, and image density measuring method | Electricity | 12 | Active |
| US7298917B2 | Image processing program product and device for executing Retinex processing | Physics | 8 | Expired |
| US6587225B1 | Image processing apparatus | Physics | 8 | Expired |
| US5875041A | Data processor | Electricity | 6 | Expired |
| US5563726A | Data processor for preventing block distortion for an achromatic image when image data are processed for coding by dividing them into blocks | Electricity | 5 | Expired |
| US8090281B2 | Image forming apparatus and tone correction method | Physics | 4 | Active |
| US6847732B1 | Image error diffusion device with noise superposition | Physics | 4 | Expired |
| US5995241A | Data processor | Electricity | 4 | Expired |
| US9906689B2 | Image forming apparatus and computer readable recording medium | Electricity | 3 | Active |
| US8625179B2 | Color adjustment method and image forming system using gamma curve associating densities of patches from different printers | Electricity | 3 | Active |
| US7212752B2 | Image forming apparatus and a developing apparatus having a unit for determining a mixture ratio of two types of magnetic toner based on magnetic permeability and amount | Physics | 3 | Expired |
| US8626017B2 | Image forming device and developer supply method including pre-supply toner detection | Physics | 3 | Active |
| US7248805B2 | Image forming apparatus and developing unit | Physics | 3 | Expired |
| US5841551A | Data processor | Electricity | 3 | Expired |
| US8848255B2 | Image forming apparatus, image forming system and updating method of multi-dimensional LUT | Electricity | 2 | Active |
| US9811042B2 | Image forming device, image forming system, image detecting unit correcting method and image detecting device | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.