Yusuke Ishida
42Patents
7h-index
37Co-inventors
69Inventor score
Filing activity: Mar 3, 2004 → Sep 11, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7010237B2 | Image forming apparatus with residual toner replenishing feature based on two detection results | Physics | 18 | Expired |
| US7027746B2 | Image forming apparatus including a plurality of developing devices with a toner density detecting feature | Physics | 14 | Expired |
| US7512348B2 | Image forming apparatus with a toner replenishment feature | Physics | 8 | Expired |
| US7164868B2 | Image forming apparatus with changeable image forming conditions due to changes in a surface layer thickness of an image bearing member | Physics | 8 | Expired |
| US7734206B2 | Image forming apparatus | Physics | 8 | Active |
| US7013095B2 | Image forming apparatus with adjustable toner content in a developing device based on surface layer thickness of an image bearing member | Physics | 8 | Expired |
| US7536120B2 | Image forming apparatus with toner content detection and image density detection | Physics | 8 | Active |
| US9405229B1 | Developing device | Physics | 7 | Active |
| US6975828B2 | Image forming apparatus | Physics | 7 | Expired |
| US7483657B2 | Image forming apparatus featuring a controller for controlling rotation of a developer feeding screw in response to an angle of inclination of the apparatus | Physics | 7 | Active |
| US9217957B2 | Development device, and image forming apparatus | Physics | 6 | Active |
| US9599926B2 | Developing unit | Physics | 5 | Active |
| US9002242B2 | Developing apparatus | Physics | 4 | Active |
| US7831159B2 | Image forming apparatus for forming toner image using developer made of toner and carrier | Physics | 4 | Active |
| US9316948B2 | Developing apparatus with discharge regulating member | Physics | 4 | Active |
| US9841703B2 | Developing apparatus | Physics | 3 | Active |
| US8768184B2 | Image forming apparatus with developing device, sensor, and controller | Physics | 3 | Active |
| US9235158B2 | Developing device | Physics | 3 | Active |
| US7831176B2 | Image forming apparatus with residual toner transfer feature | Physics | 3 | Active |
| US10845729B2 | Image forming apparatus having toner density control | Physics | 2 | Active |
| US9442427B2 | Developing device | Physics | 2 | Active |
| US8320785B2 | Image forming apparatus featuring a controller for controlling the supply of toner or abrasive particles | Physics | 2 | Active |
| US7773913B2 | Image forming apparatus | Physics | 1 | Active |
| US7899363B2 | Image forming apparatus | Physics | 1 | Active |
| US9733594B2 | Developing device | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.