Tadayuki Ueda
35Patents
5h-index
31Co-inventors
69Inventor score
Filing activity: May 19, 1993 → Nov 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6911993B2 | Color image forming apparatus using registration marks | Physics | 22 | Expired |
| US6839078B2 | Image forming apparatus which changes clock frequencies in accordance with recording sheet shrinkage | Physics | 10 | Expired |
| US7778579B2 | Color image forming apparatus which executes color misregistration correction processing | Physics | 8 | Active |
| US7126725B2 | Image reading apparatus and image forming apparatus equipped therewith | Electricity | 6 | Expired |
| US7263314B2 | Electrophotographic image printing apparatus | Physics | 6 | Expired |
| US8059145B2 | Color image forming apparatus and image forming method | Physics | 5 | Active |
| US7392002B2 | Image forming apparatus and method of image forming | Physics | 4 | Active |
| US6933696B2 | Driving device and image forming device | Physics | 4 | Expired |
| US7542058B2 | Color image forming apparatus using registration marks | Physics | 4 | Active |
| US6725005B2 | Drive control method of photoreceptor drum and image forming apparatus | Physics | 4 | Expired |
| US7606516B2 | Image printing apparatus | Physics | 3 | Active |
| US7777896B2 | Signal processing apparatus and image forming apparatus | Physics | 3 | Active |
| US5332079A | Apparatus for conveying plate-form articles | Electricity | 3 | Expired |
| US7453480B2 | Color image forming apparatus using registration marks | Physics | 3 | Active |
| US6724161B2 | Image forming apparatus and control method of motor therein | Physics | 3 | Expired |
| US9632464B2 | Image forming apparatus | Physics | 2 | Active |
| US7978995B2 | Image forming apparatus for image density adjustment | Physics | 2 | Active |
| US8285185B2 | Fixing device and image forming apparatus using the same | Physics | 2 | Active |
| US5372239A | Apparatus for conveying plate-form articles | Electricity | 2 | Expired |
| US10435261B2 | Sheet conveying apparatus and image forming apparatus | Physics | 2 | Active |
| US7876342B2 | Color image forming apparatus using registration marks | Physics | 2 | Active |
| US7079172B2 | Clock generating circuit and image-forming apparatus | Electricity | 2 | Expired |
| US8103193B2 | Image forming apparatus | Physics | 1 | Active |
| US10526150B2 | Drive apparatus and image forming apparatus | Performing Operations; Transporting | 1 | Active |
| US7860422B2 | Image forming apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.