Keiichi Oshima
6Patents
3h-index
10Co-inventors
50Inventor score
Filing activity: Oct 31, 1986 → Aug 27, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD351190S | Ink cartridge | General | 50 | Expired |
| US6908242B2 | Roll paper curl correction device and record apparatus with the roll paper curl correction device | Performing Operations; Transporting | 9 | Expired |
| US5026183A | Apparatus for feeding cut sheet paper and fan fold paper in a printer | Performing Operations; Transporting | 7 | Expired |
| US6896363B2 | Discharge device of medium and liquid emitting apparatus having the discharge device | Performing Operations; Transporting | 2 | Expired |
| US7818909B2 | Image recording medium | Human Necessities | 0 | Active |
| USD302172S | Ink ribbon cartridge | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.