Tatsuo Takeuchi
52Patents
15h-index
79Co-inventors
87Inventor score
Filing activity: Jun 25, 1975 → Feb 28, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5258783A | Image processing method and apparatus with gamma-correction control | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5253018A | Toner image density detecting mechanism for image forming apparatus | Physics | 25 | Expired |
| US4674857A | Image recording apparatus | Physics | 23 | Expired |
| US5620793A | Printing paper and method of image formation employing the same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4731668A | Image reading apparatus including means for accurately determining the location of read image information | Electricity | 22 | Expired |
| US5249022A | Image forming device having an electrically dielectric regulating member conductive transfer member and a disposed at a transfer station thereof | Physics | 20 | Expired |
| US5049943A | Fixing rotating member coated with an elastic layer and an offset prevention layer with a predetermined oil absorption rate | Physics | 19 | Expired |
| US5563695A | Image forming apparatus for preventing release agent from being adhered onto image carrier | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5229188A | Transparent film and color image forming method | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5572291A | Image forming method, image forming apparatus and transparent film | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4898798A | Photosensitive member having a light receiving layer comprising a carbonic film for use in electrophotography | Physics | 17 | Expired |
| US4697196A | Electrostatic recording method and apparatus | Physics | 16 | Expired |
| US5414531A | Image forming control based on a stored operation condition | Physics | 16 | Expired |
| US5697012A | Method and apparatus for color image formation with gradation control capability | Physics | 16 | Expired |
| US4786971A | Image recording and/or reproducing apparatus | Electricity | 16 | Expired |
| US5285248A | Fixing device having silicone rubber sprayed with phenyl type silicone oil | Physics | 12 | Expired |
| US5406364A | Electrophotographic apparatus cleaning member and electrophotographic apparatus using the cleaning member | Physics | 12 | Expired |
| US4700261A | Method and apparatus for electrically charging or discharging | Electricity | 11 | Expired |
| US5548378A | Image operating apparatus providing image stabilization control | Physics | 10 | Expired |
| US5352553A | Transparent film and color image forming method | Physics | 10 | Expired |
| US6188850A | Printing paper and method of image formation employing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4892800A | Photosensitive member having a photoconductive layer comprising a carbonic film for use in electrophotography | Physics | 9 | Expired |
| US5463457A | Image forming apparatus capable of changing image forming conditions depending on side of recording material | Physics | 9 | Expired |
| US4887964A | Image fixing roller and image fixing apparatus using same | Physics | 8 | Expired |
| US5784675A | Image forming apparatus with recording material carrying member having recesses | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.