Shigeo Kurotaka
37Patents
22h-index
42Co-inventors
81Inventor score
Filing activity: Sep 18, 1991 → Nov 6, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5751854A | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system | Electricity | 101 | Expired |
| US6272248A | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system | Physics | 66 | Expired |
| US5659628A | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Electricity | 57 | Expired |
| US6088558A | Method and apparatus for suppressing belt shift in an image forming apparatus | Physics | 56 | Expired |
| US6243559A | Belt fixing device | Physics | 54 | Expired |
| US6055390A | Fixing device and method for controlling fixing temperature in a stable manner | Physics | 40 | Expired |
| US6078766A | Belt conveying apparatus having a self-adjustment mechanism for belt distortion and method therefor | Physics | 35 | Expired |
| US7127202B2 | Intermediary transfer apparatus, fixing apparatus and image forming apparatus | Physics | 35 | Expired |
| US6795678B2 | Image forming apparatus for fixing a toner image on a sheet or recording medium by use of a belt member | Physics | 34 | Expired |
| US7233762B2 | Method of uniformly fixing toner to recording medium in image forming apparatus | Physics | 33 | Expired |
| US5652803A | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Electricity | 32 | Expired |
| US7299003B2 | Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumption | Physics | 30 | Expired |
| US6198888A | Fixing device for controlling fixing temperature in a stable manner | Physics | 29 | Expired |
| US7010255B2 | Fixing device having a heating member and image forming apparatus including the same | Physics | 29 | Expired |
| US5592275A | Image fixing device with oil application roller for image forming apparatus | Physics | 25 | Expired |
| US5678161A | Paper conveyer of image forming apparatus which conveys paper to a fixing device | Physics | 25 | Expired |
| US6847792B2 | Image forming apparatus having a selectively discharged storage | Physics | 25 | Expired |
| US7269384B2 | Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus | Physics | 24 | Expired |
| US7254362B2 | Fixing device, image forming apparatus using the fixing device, and heat insulating member | Physics | 24 | Expired |
| US6795676B2 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Physics | 24 | Expired |
| US6501935B2 | Belt-type fixing apparatus having a fixing roller provided with a soft foam layer | Physics | 23 | Expired |
| US7177580B2 | Image forming method and apparatus for fixing an image | Physics | 23 | Expired |
| US7139520B2 | Fixing device, nipping device, and image forming apparatus | Physics | 22 | Expired |
| US6957036B2 | Fixing member, fixing device, and image forming apparatus | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7333760B2 | Fixing device with temperature control | Physics | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.