Hideya Furuta
19Patents
12h-index
27Co-inventors
74Inventor score
Filing activity: May 21, 1984 → Jan 5, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4933727A | Color recording apparatus | Physics | 45 | Expired |
| US5121170A | Device for transporting sheet members using an alternating voltage | Physics | 42 | Expired |
| US5160969A | Image forming apparatus having a separate black developer stored for a color image | Physics | 33 | Expired |
| US4796050A | Mechanism for driving photosensitive drums | Physics | 28 | Expired |
| US5164783A | Image forming apparatus for the synchronizing of laser writer with photosensitive body to prevent time lag | Physics | 21 | Expired |
| US4615607A | Dual-color copier | Physics | 21 | Expired |
| US4655579A | Multicolored image forming apparatus | Electricity | 20 | Expired |
| US4664501A | Method of and apparatus for producing duplicates in color | Physics | 20 | Expired |
| US4662739A | Method of controlling copying machine operation | Physics | 20 | Expired |
| US4690542A | Color copying apparatus | Physics | 18 | Expired |
| US5926670A | Image forming apparatus cleaning an intermediate transfer member carrying a concurrently existing plurality of toner image pages | Physics | 17 | Expired |
| US4690541A | Color electrophotographic copying process | Electricity | 13 | Expired |
| US5321475A | Color image forming apparatus which accelerates or decelerates the developing sleeves at a constant rate | Physics | 12 | Expired |
| US6057869A | Image forming apparatus for fixing a toner image at a first speed or at a second speed | Physics | 12 | Expired |
| US4742371A | Optical system for color copier | Physics | 12 | Expired |
| US5631691A | Image forming apparatus | Electricity | 9 | Expired |
| US4746950A | Color copier | Physics | 7 | Expired |
| US5083141A | Image forming apparatus | Electricity | 7 | Expired |
| US5825398A | Image forming apparatus using a synchronized transfer medium driver | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.