Eiichi Tone
8Patents
6h-index
15Co-inventors
52Inventor score
Filing activity: Oct 20, 1987 → Dec 28, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5150224A | Image forming apparatus with selectable automatic document size or copy paper size priority modes | Physics | 29 | Expired |
| US5790139A | Ink jet printing apparatus which utilizes different voltages applied to different groups of ejecting members in accordance with image data | Electricity | 23 | Expired |
| US4851873A | Developing device | Physics | 19 | Expired |
| US4860053A | Color image forming apparatus having a plurality of developing units | Physics | 10 | Expired |
| US5640251A | Image reading device | Electricity | 10 | Expired |
| US5781203A | Ink ejecting device for use in an ink jet printing apparatus | Performing Operations; Transporting | 8 | Expired |
| US5146275A | Composite image forming apparatus | Electricity | 4 | Expired |
| USRE34344E | Developing device | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.