Ryuta Ai
18Patents
5h-index
9Co-inventors
55Inventor score
Filing activity: Mar 29, 2005 → Jul 13, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7460821B2 | Image heating apparatus including heating rotatable member and cooperating rubbing rotatable member | Physics | 29 | Active |
| US7251433B2 | Image forming apparatus | Physics | 13 | Expired |
| US8095032B2 | Image forming apparatus with cleaning member | Physics | 10 | Active |
| US8135303B2 | Image forming apparatus for preventing contamination of a backside of a recording medium | Physics | 6 | Active |
| US8224199B2 | Image forming apparatus featuring toner image band formation and adjusting image formation | Physics | 5 | Active |
| US7440711B2 | Image-forming apparatus having cleaning roller to remove toner from transfer roller that facilitates transferring toner image from image-bearing member to recording material | Physics | 5 | Active |
| US7542687B2 | Image forming apparatus and control method of the image forming apparatus | Physics | 4 | Active |
| US7480470B2 | Image forming apparatus including a removing member for removing toner from a toner collecting member | Physics | 4 | Active |
| US9268265B2 | Image forming apparatus | Physics | 2 | Active |
| US9348267B2 | Image forming apparatus | Physics | 2 | Active |
| US9411300B2 | Image forming apparatus and cleaning blade | Physics | 1 | Active |
| US10234807B2 | Image forming apparatus | Physics | 1 | Active |
| US8326163B2 | Image forming apparatus | Physics | 1 | Active |
| US10185240B2 | Image forming apparatus with storage of cleaning blade contact pressure | Physics | 0 | Active |
| US9927761B2 | Image forming apparatus | Physics | 0 | Active |
| US10139766B2 | Image forming apparatus | Physics | 0 | Active |
| US7742067B2 | Image forming apparatus having a exposure control unit capable of changing an exposure ratio between a first exposure ratio and a second exposure ratio different from the first exposure ratio when a first exposure unit or second exposure unit exposes an image carrier on the basis of image data for forming an image with a certain density | Physics | 0 | Active |
| US10509355B2 | Image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.