Yoji Ara
17Patents
13h-index
55Co-inventors
77Inventor score
Filing activity: Jan 27, 1986 → Oct 7, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5889597A | Image processing apparatus and system having a detachable scanner unit | Electricity | 106 | Expired |
| US5512926A | Ink jet recording apparatus and method for releasably mounting ink jet recording head and separable ink tank | Performing Operations; Transporting | 76 | Expired |
| US4951066A | Ink jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each other | Performing Operations; Transporting | 61 | Expired |
| US5534899A | Replaceable ink tank | Performing Operations; Transporting | 58 | Expired |
| US5138343A | Ink jet recording apparatus with recovery means | Performing Operations; Transporting | 57 | Expired |
| US5448274A | Ink jet recording apparatus and carriage mechanism therefor | Performing Operations; Transporting | 56 | Expired |
| US5717444A | Suction recovery device and ink jet recording apparatus using the device | Performing Operations; Transporting | 31 | Expired |
| US6070975A | Ink jet recording apparatus and a method for installing ink jet recording head | Performing Operations; Transporting | 26 | Expired |
| US4697939A | Wire dot printer with improved wire dot head | Performing Operations; Transporting | 20 | Expired |
| US5880754A | Recording apparatus including recording head and temperature stabilization portion | Performing Operations; Transporting | 18 | Expired |
| US5899613A | Image recording apparatus having conveying means for both continuous sheet and single sheet | Performing Operations; Transporting | 18 | Expired |
| US5502475A | Ink jet recording apparatus provided with fixating means | Performing Operations; Transporting | 14 | Expired |
| US5357275A | Ink jet recording apparatus and pump mechanism for use therewith | Performing Operations; Transporting | 14 | Expired |
| US6249295A | Recording apparatus with self-standing recording unit and sheet supplying apparatus | Performing Operations; Transporting | 12 | Expired |
| US4661002A | Dot matrix printer | Performing Operations; Transporting | 11 | Expired |
| US6033067A | Feed sheet fold removing structure and method used in ink jet recording apparatus | Performing Operations; Transporting | 5 | Expired |
| US5984469A | Recording apparatus | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.