Katsuaki Miyawaki
59Patents
14h-index
78Co-inventors
87Inventor score
Filing activity: Oct 25, 1991 → Jul 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5708938A | Wet process image forming apparatus and carrier vapor collecting device therefor | Physics | 63 | Expired |
| US5848329A | Image forming apparatus having a mounting/dismounting mechanism | Physics | 51 | Expired |
| US6324374A | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Physics | 50 | Expired |
| US6108508A | Image forming apparatus using wet type developing device | Physics | 39 | Expired |
| US7110917B2 | Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same | Physics | 31 | Expired |
| US7203431B2 | Abnormality determining method, abnormality determining apparatus, and image forming apparatus | Physics | 27 | Expired |
| US7203452B2 | Tandem image forming device having a side-by-side arrangement of image forming sections | Physics | 21 | Expired |
| US6556802B2 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Physics | 21 | Expired |
| US7327962B2 | Abnormality determining method, abnormality determining apparatus, and image forming apparatus | Physics | 20 | Active |
| US6757512B2 | Tandem image forming device, image forming apparatus and method for using the same | Physics | 19 | Expired |
| US7457550B2 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Electricity | 17 | Expired |
| US7184674B2 | Detecting device for an image forming apparatus | Physics | 16 | Expired |
| US7554574B2 | Abnormal state occurrence predicting method, state deciding apparatus, and image forming system | Physics | 15 | Active |
| US5300952A | Thermal image forming equipment forms image directly on image carrier or paper sheet | Physics | 14 | Expired |
| US9776819B2 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Performing Operations; Transporting | 13 | Active |
| US7054585B2 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Physics | 12 | Expired |
| US6941102B2 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Physics | 11 | Expired |
| US6768891B2 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Physics | 11 | Expired |
| US5379058A | Recording apparatus using a thermosensitive recording medium | Performing Operations; Transporting | 11 | Expired |
| US7551882B2 | Image forming apparatus equipping improved transfer fixing apparatus | Physics | 10 | Active |
| US5371522A | Apparatus for erasing and recording data in a thermosensitive recording medium | Performing Operations; Transporting | 10 | Expired |
| US7343126B2 | Image forming apparatus including a transfer belt having image forming units disposed thereabout | Physics | 10 | Active |
| US5220355A | Resistive sheet thermal transfer printer | Performing Operations; Transporting | 9 | Expired |
| US7027751B2 | Electrophotographic image forming apparatus having residual toner collection | Physics | 9 | Expired |
| US7643767B2 | Transfer-fixing unit and image forming apparatus for enhanced image quality | Physics | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.