Yoichiro Irie
37Patents
9h-index
35Co-inventors
75Inventor score
Filing activity: Jun 27, 1980 → Oct 21, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4530588A | Mount for a rotating drum and a developer within an electrostatic copying apparatus | Physics | 32 | Expired |
| US4623137A | Paper feeder equipped with copying paper cassettes | Physics | 18 | Expired |
| US5290020A | Sheet finishing device with calculating means for efficient operation | Performing Operations; Transporting | 17 | Expired |
| US5126787A | Automatic document conveying device | Physics | 15 | Expired |
| US5186445A | Sheet handling apparatus, with sheet storage bins conveyable in a verticle and a lateral direction | Physics | 12 | Expired |
| US4423948A | Dual component developing material detecting device for electrostatic copying apparatus | Physics | 11 | Expired |
| US4523754A | Paper guiding device in a copying apparatus | Performing Operations; Transporting | 9 | Expired |
| US5508799A | Method and apparatus for punching a hole in a stack of sheets in an image forming apparatus having a hole puncher | Physics | 9 | Expired |
| US4405226A | Developing material supplying control device for electrostatic copying apparatus | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4878660A | Sorter | Performing Operations; Transporting | 9 | Expired |
| US4540279A | Automatic exposure device | Physics | 9 | Expired |
| US4533233A | Electrostatic copying apparatus | Physics | 8 | Expired |
| US4365893A | Supporting mechanism of a document cover lid for a copying apparatus | Physics | 8 | Expired |
| US4607943A | Control circuit for an electrostatic copying apparatus | Physics | 8 | Expired |
| US5027162A | Automatic document conveying device | Physics | 7 | Expired |
| US4879578A | Paper feeding device and a paper guiding device in a copying apparatus | Performing Operations; Transporting | 7 | Expired |
| US4733280A | Original illuminating device of a copying machine | Physics | 6 | Expired |
| US4515464A | Copying apparatus having a copy sheet sorter | Physics | 6 | Expired |
| US5180152A | Sorter | Performing Operations; Transporting | 6 | Expired |
| US4332467A | Developing device in electrostatic copying apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5143363A | Automatic document conveying device | Physics | 5 | Expired |
| US4571062A | Electrostatic copying process and apparatus | Physics | 5 | Expired |
| US4602864A | Cleaning device in electrostatic copying apparatus | Physics | 5 | Expired |
| US5156390A | Automatic document conveying device permitting the neat stacking of discharged documents | Physics | 4 | Expired |
| US5064188A | Automatic document conveying device which opens so jams may be cleared | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.