Kenichi Ashida
8Patents
4h-index
15Co-inventors
54Inventor score
Filing activity: Oct 24, 1989 → Jun 24, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5091750A | Cartridge unit | Physics | 52 | Expired |
| USD332280S | Toner cartridge | General | 27 | Expired |
| US5121165A | Developer unit and a toner hopper for an image forming device | Physics | 27 | Expired |
| US6332064A | Image forming apparatus including a charging power supply and a neutralizing device | Physics | 12 | Expired |
| US6882803B2 | Method of and apparatus for determining developer level in an image forming apparatus and toner cartridge | Physics | 2 | Expired |
| US6897982B1 | Image-writing device and method and image-forming apparatus reducing dot width variations in relation to a screen angle | Physics | 2 | Expired |
| US6226027A | Electrophotography apparatus and exposing unit therefor | Physics | 1 | Expired |
| US8364055B2 | Image forming apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.