Hiroshi Tanioka
78Patents
23h-index
78Co-inventors
91Inventor score
Filing activity: Dec 24, 1980 → Feb 26, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5270808A | Color image processing with adjustment of computed recording color to match original color | Electricity | 116 | Expired |
| US5929843A | Image processing apparatus which extracts white component data | Physics | 103 | Expired |
| US4786820A | Apparatus for parallel-processing image data | Electricity | 100 | Expired |
| US6067088A | Image processing method and apparatus thereof | Physics | 89 | Expired |
| US5153925A | Image processing apparatus | Electricity | 78 | Expired |
| US4709274A | Image processing apparatus | Electricity | 51 | Expired |
| US5018024A | Image processing apparatus using two-dimensional space frequency to discriminate image type | Electricity | 49 | Expired |
| US5503904A | Invisible information recorded medium | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6118547A | Image processing method and apparatus | Electricity | 41 | Expired |
| US5121447A | Apparatus for performing gradation processing on image data | Electricity | 39 | Expired |
| US4723173A | Image processing apparatus | Electricity | 37 | Expired |
| US5063451A | Hand held recording apparatus with window on lower body portion for viewing recording position | Performing Operations; Transporting | 35 | Expired |
| US6094281A | Image reading device with offset faces for visible and non-visible light sensors | Electricity | 33 | Expired |
| US4684998A | Image reader suitable for manual scanning | Electricity | 32 | Expired |
| US5315382A | Image processing apparatus | Electricity | 32 | Expired |
| US4821334A | Image processing apparatus | Electricity | 31 | Expired |
| US7391917B2 | Image processing method | Physics | 31 | Expired |
| US4959868A | Image processing system | Electricity | 29 | Expired |
| US4729035A | Image processing apparatus capable of appriopriately encoding and processing entered image signals in accordance with the image content | Electricity | 28 | Expired |
| US6486974B1 | Image reading device | Electricity | 27 | Expired |
| US5003614A | Image processing system | Physics | 27 | Expired |
| US5724152A | Image reading apparatus and image processing apparatus for reading optical information of visible and non-visible light | Electricity | 26 | Expired |
| US5121446A | Image processing apparatus capable of obtaining multi-level data | Electricity | 24 | Expired |
| US4920361A | Image recording method and apparatus therefor | Performing Operations; Transporting | 23 | Expired |
| US4451136A | Feed control for copying apparatus | Physics | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.