Takahiro Yagishita
34Patents
13h-index
30Co-inventors
81Inventor score
Filing activity: May 24, 1989 → Jun 18, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6459816B2 | Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate | Physics | 37 | Expired |
| US7221483B2 | Image encoding method and apparatus, image decoding method and apparatus, image processing apparatus, image formation apparatus, and computer-executable programs | Electricity | 30 | Expired |
| US6519052B1 | Image processing method and apparatus to select a data compression method according to a size of an output image | Physics | 30 | Expired |
| US6556707B1 | Method and apparatus for image processing for performing a color conversion | Electricity | 27 | Expired |
| US4918489A | Method of supplying recording sheets in image forming apparatus | Physics | 22 | Expired |
| US6788811B1 | Coding apparatus, decoding apparatus, coding method, decoding method, amd computer-readable recording medium for executing the methods | Electricity | 20 | Expired |
| US4977414A | Image forming apparatus | Physics | 20 | Expired |
| US6507674B1 | Image data encoding apparatus | Physics | 20 | Expired |
| US6480623B1 | Color image processing apparatus and color image processing method | Physics | 16 | Expired |
| US5565907A | Image forming apparatus capable of producing high quality halftone images | Physics | 15 | Expired |
| US5019913A | Recording apparatus having control data selectively designated in memory which corresponds to one of multiple optical scanning systems | Electricity | 14 | Expired |
| US5107278A | Image forming apparatus | Electricity | 14 | Expired |
| US6704455B1 | Image processing system and image processing method | Physics | 13 | Expired |
| US5491506A | Light quantity setting value determination with improved reliability | Electricity | 12 | Expired |
| US5923828A | Image forming apparatus which forms an image based on bit map data | Physics | 11 | Expired |
| US7046387B1 | Efficient coding of color images including monochrome images | Electricity | 10 | Expired |
| US6603884B2 | Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate | Physics | 9 | Expired |
| US6704444B2 | Color image processing apparatus and color image processing method | Physics | 7 | Expired |
| US7502488B2 | Image processing apparatus, program, and storage medium that can selectively vary embedding specification of digital watermark data | Physics | 6 | Expired |
| US6714685B2 | Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate | Physics | 6 | Expired |
| US6683990B2 | Image data encoding apparatus | Physics | 6 | Expired |
| US7277585B2 | Image encoding method, image encoding apparatus and storage medium | Electricity | 5 | Expired |
| US9535538B2 | System, information processing apparatus, and information processing method | Physics | 4 | Active |
| US8717591B2 | Image forming apparatus, image forming system, information processing apparatus, program, and storage medium | Physics | 3 | Active |
| US9471983B2 | Information processing device, system, and information processing method | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.