Koichi Ejiri
31Patents
17h-index
28Co-inventors
81Inventor score
Filing activity: Apr 25, 1979 → Mar 27, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6466701B1 | System and method for displaying an image indicating a positional relation between partially overlapping images | Electricity | 228 | Expired |
| US5335290A | Segmentation of text, picture and lines of a document image | Physics | 149 | Expired |
| US6574375B1 | Method for detecting inverted text images on a digital scanning device | Physics | 84 | Expired |
| US5452374A | Skew detection and correction of a document image representation | Physics | 78 | Expired |
| US5465304A | Segmentation of text, picture and lines of a document image | Physics | 72 | Expired |
| US6104840A | Method and system for generating a composite image from partially overlapping adjacent images taken along a plurality of axes | Physics | 63 | Expired |
| US5182708A | Method and apparatus for classifying text | Physics | 55 | Expired |
| US5563403A | Method and apparatus for detection of a skew angle of a document image using a regression coefficient | Physics | 43 | Expired |
| US4381547A | Picture deforming process | Electricity | 41 | Expired |
| US4965676A | Facsimile remote diagnostic system | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6361171B1 | Projector with adjustably positioned image plate | Electricity | 30 | Expired |
| US5854854A | Skew detection and correction of a document image representation | Physics | 30 | Expired |
| US7271803B2 | Method and system for simulating stereographic vision | Electricity | 28 | Expired |
| US4360883A | Method of restoring a picture cell by estimation with high density | Physics | 26 | Expired |
| US4524454A | Method of assigning direction code to boundary picture element in character recognition system | Physics | 23 | Expired |
| US4356555A | Method of restoring a picture cell by estimation with high density | Electricity | 21 | Expired |
| US6634559B2 | Data sheet and information management system using data sheet | Physics | 19 | Expired |
| US6609797B2 | Projector with adjustably positioned image plate | Electricity | 17 | Expired |
| US4366506A | Picture transfer method and apparatus therefor | Electricity | 16 | Expired |
| US5592574A | Method and apparatus for expansion of white space in document images on a digital scanning device | Physics | 13 | Expired |
| US6798924B2 | System and method for displaying an image indicating a positional relation between partially overlapping images | Electricity | 13 | Expired |
| US6948654B2 | Data sheet and information management system using data sheet | Physics | 11 | Expired |
| US4271436A | Digital copying machine | Electricity | 10 | Expired |
| US6366360B2 | Method and a system for correcting distortion aberrations in high resolution images | Electricity | 9 | Expired |
| US7182464B2 | Projector with adjustably positioned image plate | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.