Akio Kutsuwada
13Patents
8h-index
28Co-inventors
72Inventor score
Filing activity: May 16, 1994 → Dec 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5557382A | Toner replenishing device for a developing device | Emerging Cross-Sectional Technologies | 81 | Expired |
| US5812919A | Image transferring device for an image forming apparatus | Physics | 57 | Expired |
| US5631725A | Image transfer device for an image forming apparatus | Physics | 44 | Expired |
| US5822667A | Transfer separator | Physics | 32 | Expired |
| US5678125A | Image forming apparatus | Physics | 28 | Expired |
| US5815767A | Image forming apparatus | Physics | 25 | Expired |
| US5697020A | Image forming apparatus for moving a charging roller towards and away from a photoreceptor and a cleaning member for the charging roller | Physics | 23 | Expired |
| US7340204B2 | Color image forming apparatus and process cartridge therefor | Physics | 10 | Expired |
| US6108511A | Toner collecting and reusing device for use in an image forming apparatus and a method thereof | Physics | 8 | Expired |
| US5493371A | Image transferring device for image forming apparatus | Physics | 6 | Expired |
| US5552871A | Image transferring device for image forming apparatus | Physics | 4 | Expired |
| US10175646B2 | Cooling device and image forming apparatus incorporating the cooling device | Physics | 1 | Active |
| US10437196B2 | Cooling device and image forming apparatus incorporating the cooling device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.