Ryuhei Sumida
3Patents
1h-index
6Co-inventors
33Inventor score
Filing activity: Mar 18, 2009 → Jan 22, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9340028B2 | Liquid storing device, liquid storing method and inkjet recording device | Performing Operations; Transporting | 2 | Active |
| US8226201B2 | Image recording apparatus and method of detecting ejection failure in pre-processing agent ejection nozzles in image recording apparatus | Performing Operations; Transporting | 0 | Active |
| US8459784B2 | Discharge liquid agitating mechanism, and an inkjet recording apparatus having the discharge liquid agitating mechanism | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.