Tadasu Taniguchi
29Patents
8h-index
52Co-inventors
78Inventor score
Filing activity: Jul 10, 1974 → Jul 13, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6721521B2 | Image forming apparatus | Physics | 37 | Expired |
| US6389260B1 | Tandem type color image forming device | Physics | 32 | Expired |
| US6647228B2 | Image forming device | Physics | 28 | Expired |
| US6209864A | Sheet post-processing apparatus | Physics | 22 | Expired |
| US7156389B2 | Sheet feeder and image forming apparatus having the same | Performing Operations; Transporting | 10 | Expired |
| US5046715A | Paper feeding apparatus for image forming machine | Performing Operations; Transporting | 10 | Expired |
| US3946204A | Card reader protecting device | Physics | 8 | Expired |
| US3946202A | Information writing device | Physics | 8 | Expired |
| US4019025A | Card conveyor device | Physics | 8 | Expired |
| US4626082A | Projecting device | Physics | 6 | Expired |
| US5083767A | Sheet supplying device | Physics | 6 | Expired |
| US5812180A | Laser recording apparatus which maintains the laser recording unit in a horizontal position | Physics | 5 | Expired |
| US8061708B2 | Sheet feeding device | Emerging Cross-Sectional Technologies | 5 | Active |
| US5878308A | Image forming apparatus having structure for adding functions | Performing Operations; Transporting | 5 | Expired |
| US7950649B2 | Paper feeder, image forming apparatus provided with the same and paper feeding method | Performing Operations; Transporting | 3 | Active |
| US3995256A | Selective switching circuit | Physics | 3 | Expired |
| US6121985A | Vertically opening laser recording apparatus | Electricity | 3 | Expired |
| US8205883B2 | Paper transport path of image forming apparatus | Performing Operations; Transporting | 2 | Active |
| US8136808B2 | Paper feeding device and image forming apparatus with curl correction | Performing Operations; Transporting | 2 | Active |
| US7950648B2 | Feeding device and image forming apparatus | Performing Operations; Transporting | 2 | Active |
| US7657219B2 | Image forming apparatus | Physics | 2 | Active |
| US7853163B2 | Fixing device and image forming apparatus | Physics | 1 | Active |
| US7540676B2 | Manual sheet feeding mechanism | Performing Operations; Transporting | 1 | Active |
| US7660544B2 | Image forming apparatus | Physics | 1 | Active |
| US8444143B2 | Sheet transport apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.