Katsutoshi Ushida
21Patents
10h-index
19Co-inventors
68Inventor score
Filing activity: Jan 19, 1993 → Mar 1, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5566003A | Image processing system in which the transmitter and receiver have different data resolutions and data is transmitted at the receiver resolution | Electricity | 34 | Expired |
| US6289137A | Image processing apparatus and method | Physics | 23 | Expired |
| US5644366A | Image reproduction involving enlargement or reduction of extracted contour vector data for binary regions in images having both binary and halftone regions | Physics | 22 | Expired |
| US6084813A | Apparatus and method for controlling memory backup using main power supply and backup power supply | Physics | 17 | Expired |
| US5991450A | Image encoding and decoding apparatus | Electricity | 15 | Expired |
| US5539541A | Image processing apparatus including noise elimination circuits | Electricity | 14 | Expired |
| US6011878A | Image processing method and apparatus | Electricity | 13 | Expired |
| US5717793A | High quality image size change | Electricity | 13 | Expired |
| US6084686A | Buffer memory control device and control method, and an image processing device and method using the same | Electricity | 11 | Expired |
| US7366757B1 | Communication apparatus, communication method, communication system, and storage medium | Electricity | 10 | Expired |
| US5721793A | Image processing with smooth production of inclined lines and other features | Physics | 10 | Expired |
| US6373990B1 | Image processing utilizing luminance-density conversion | Electricity | 9 | Expired |
| US5724157A | Facsimile apparatus and method outputting results of facsimile communication | Electricity | 7 | Expired |
| US6577768B1 | Coding method, code converting method, code converting apparatus, and image forming apparatus | Physics | 7 | Expired |
| US7817297B2 | Image processing apparatus and image processing method | Electricity | 7 | Active |
| US7495669B2 | Image processing apparatus and image processing method | Physics | 7 | Expired |
| US7675523B2 | Image processing apparatus and image processing method | Physics | 5 | Active |
| US5917610A | Image forming apparatus | Electricity | 4 | Expired |
| US5923441A | Image record apparatus | Electricity | 2 | Expired |
| US6233366A | Image processing method and apparatus | Physics | 2 | Expired |
| US8190690B2 | Communication apparatus, communication method, communication system, and storage medium | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.