Chisato Hatakeyama
19Patents
4h-index
30Co-inventors
52Inventor score
Filing activity: Oct 31, 2004 → Jan 19, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7747186B2 | Image forming apparatus including a cooling mechanism configured to apply cooling processing to a transfer belt | Physics | 7 | Active |
| US7366437B2 | Image forming apparatus having an optical sensor provided in opposition to a transfer belt formed of an endless belt | Physics | 4 | Active |
| US8699925B2 | Developing device and image forming apparatus including the same | Physics | 4 | Active |
| US7887054B2 | Sheet transport direction switching device, and image forming apparatus incorporated with the same | Performing Operations; Transporting | 4 | Active |
| US7865092B2 | Waste toner collecting device and image forming apparatus incorporating the same | Physics | 4 | Active |
| US7496316B2 | Image forming apparatus including an openable section and separating mechanism with cam | Physics | 4 | Active |
| US7167661B2 | Sensor cleaning mechanism for image forming device | Physics | 4 | Expired |
| US7317892B2 | Belt fixing unit | Physics | 3 | Active |
| US8027619B2 | Toner container having a toner agitating function unit with a tubular member having axially spaced ring pieces and openings between the ring pieces | Physics | 2 | Active |
| US7643186B2 | Image forming device, method for adjusting toner concentration, programs, and recording media of the same | Physics | 2 | Active |
| US7676190B2 | Image forming apparatus | Performing Operations; Transporting | 1 | Active |
| US7366442B2 | Fixing device | Physics | 1 | Active |
| US7460142B2 | Image processing device | Physics | 1 | Expired |
| US7603066B2 | Developing device and image forming device and preventing toner contamination thereof | Physics | 1 | Active |
| US7734222B2 | Image forming apparatus with flexible tube for cooling air and guide channel for flexible tube | Physics | 0 | Active |
| US8543049B2 | Cleaning apparatus and image forming apparatus | Physics | 0 | Active |
| US8131201B2 | Image forming apparatus with paper cassette having space for receiving roller supporting member | Performing Operations; Transporting | 0 | Active |
| US7729652B2 | Belt fixing unit | Physics | 0 | Active |
| US8594531B2 | Shaft member holding mechanism, photoconductor drum unit and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.