Hiroyuki Shibaki
20Patents
10h-index
27Co-inventors
71Inventor score
Filing activity: Apr 15, 1994 → Dec 4, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5797074A | Image forming system | Physics | 53 | Expired |
| US5960246A | Image forming apparatus with powder pump | Physics | 47 | Expired |
| US5482265A | Sheet feeder for an image forming apparatus | Physics | 45 | Expired |
| US5708949A | Image fixing device for image forming apparatus | Physics | 34 | Expired |
| US6556707B1 | Method and apparatus for image processing for performing a color conversion | Electricity | 27 | Expired |
| US5464200A | Sheet storing device with locking bins | Performing Operations; Transporting | 21 | Expired |
| US6987886B1 | Image processing based on degree of white-background likeliness | Physics | 13 | Expired |
| US7423781B2 | Image processor and image processing method for image enhancement using edge detection | Physics | 13 | Expired |
| US7088472B1 | Method, system, and apparatus for image forming and processing capable of appropriately adjusting input and output properties | Electricity | 13 | Expired |
| US7355755B2 | Image processing apparatus and method for accurately detecting character edges | Physics | 11 | Expired |
| US7356160B2 | Method of and apparatus for image processing | Electricity | 10 | Expired |
| US6731817B2 | Apparatus and method for forming an image by processing input image data while suppressing banding and dropout | Physics | 8 | Expired |
| US7327874B2 | Method of and apparatus for image processing apparatus, and computer product | Electricity | 8 | Expired |
| US8040565B2 | Image processing device, image forming apparatus including same, image processing method, and image processing program | Electricity | 7 | Active |
| US8040557B2 | Image processing apparatus and image processing method | Electricity | 4 | Active |
| US7535595B2 | Image processing apparatus and method, and computer program product | Electricity | 4 | Expired |
| US7433082B2 | Method of, apparatus for, and computer program for image processing | Electricity | 3 | Expired |
| US7221799B2 | Image processing based on degree of white-background likeliness | Physics | 3 | Expired |
| US7170642B2 | Image processing apparatus and method for improving output image quality | Physics | 2 | Expired |
| US8223401B2 | Image processing apparatus, image processing system, and image processing method | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.