Akira Sago
129Patents
16h-index
58Co-inventors
89Inventor score
Filing activity: Mar 31, 1987 → Dec 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7070348B2 | Roll sheet holder and tape printer | Emerging Cross-Sectional Technologies | 94 | Expired |
| US8382389B2 | Tape cassette | Performing Operations; Transporting | 88 | Active |
| US7232268B2 | Roll sheet holder and tape printer | Emerging Cross-Sectional Technologies | 88 | Expired |
| US7404684B2 | Roll sheet holder and tape printer | Emerging Cross-Sectional Technologies | 87 | Active |
| US8757907B2 | Tape cassette | Performing Operations; Transporting | 87 | Active |
| US8562228B2 | Tape printer | Performing Operations; Transporting | 85 | Active |
| US8770877B2 | Tape printer | Performing Operations; Transporting | 85 | Active |
| US8740482B2 | Tape printer | Performing Operations; Transporting | 82 | Active |
| US8764326B2 | Tape cassette | Performing Operations; Transporting | 80 | Active |
| US4740809A | Optical printing system | Physics | 27 | Expired |
| US9855779B2 | Tape cassette | Performing Operations; Transporting | 26 | Active |
| US9533522B2 | Tape cassette | Performing Operations; Transporting | 26 | Active |
| US9498998B2 | Tape cassette | Performing Operations; Transporting | 26 | Active |
| US9566808B2 | Tape cassette | Performing Operations; Transporting | 19 | Active |
| USD484532S1 | Printer | General | 18 | Expired |
| US10226949B2 | Tape cassette | Performing Operations; Transporting | 16 | Active |
| US10675894B2 | Tape cassette | Performing Operations; Transporting | 15 | Active |
| US4864356A | Exposure device for image recording apparatus | Physics | 15 | Expired |
| US5938354A | Image forming apparatus | Performing Operations; Transporting | 14 | Expired |
| US8562229B2 | Printing apparatus with cutter having a blade including a step portion | Emerging Cross-Sectional Technologies | 13 | Active |
| US6254228A | Image recording apparatus that supplies solid ink to a recording device | Performing Operations; Transporting | 12 | Expired |
| US4992822A | Optical printing system | Physics | 11 | Expired |
| US7104712B2 | Roll sheet holder and tape printer | Performing Operations; Transporting | 11 | Expired |
| US9403389B2 | Tape cassette | Performing Operations; Transporting | 10 | Active |
| US6109803A | Information recording method and printer | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.