Keishi Sawada
10Patents
2h-index
11Co-inventors
51Inventor score
Filing activity: Jul 31, 1997 → Jan 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6142607A | Ink-jet recording head | Performing Operations; Transporting | 17 | Expired |
| US6305791A | Ink-jet recording device | Performing Operations; Transporting | 12 | Expired |
| US9022549B2 | Printing apparatus and printing method therefor | Performing Operations; Transporting | 2 | Active |
| US8177354B2 | Recording device | Performing Operations; Transporting | 1 | Active |
| US8070285B2 | Recording device | Performing Operations; Transporting | 1 | Active |
| US11697297B2 | Printing apparatus | Performing Operations; Transporting | 0 | Active |
| US11685176B2 | Recording apparatus | Performing Operations; Transporting | 0 | Active |
| US9751344B2 | Printing apparatus | Performing Operations; Transporting | 0 | Active |
| US11091345B2 | Loading apparatus and printer | Performing Operations; Transporting | 0 | Active |
| US11660885B2 | Printing apparatus | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.