Setsuo Soga
21Patents
12h-index
53Co-inventors
84Inventor score
Filing activity: Oct 10, 1975 → Aug 2, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7127204B2 | Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit | Physics | 65 | Expired |
| US7313353B2 | Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit | Physics | 58 | Active |
| US6496666B2 | Image forming apparatus and method having an improved heating mechanism in fixing device | Physics | 46 | Expired |
| US4074001A | Fixing roll for electrophotography | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5678153A | Fixing apparatus comprising a cleaning roller having a coated layer of polyimide and polytetrafluoroethylene | Physics | 26 | Expired |
| US4284875A | Heat roller fixing apparatus | Physics | 19 | Expired |
| US4987457A | Fixing method for a wet process copier | Physics | 17 | Expired |
| US5873017A | Image forming apparatus | Physics | 16 | Expired |
| US4172976A | Heat roller fixing apparatus | Physics | 16 | Expired |
| US7162187B2 | Image forming apparatus and image forming method | Physics | 13 | Expired |
| US5679462A | Fixing apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4951160A | Image reproducing apparatus | Electricity | 12 | Expired |
| US6067435A | Image forming apparatus | Physics | 11 | Expired |
| US7125638B2 | Image forming method and image forming apparatus for same | Physics | 11 | Expired |
| US3992089A | Reader-printer apparatus with multiple supply rolls and charging devices | Physics | 11 | Expired |
| US4934930A | Heat roller fixing device and image fixing method | Physics | 9 | Expired |
| US7273688B2 | Image forming method and image forming apparatus for same | Physics | 8 | Active |
| US4977308A | Heat roller type fixing device and method of producing the same | Physics | 7 | Expired |
| US5128110A | Ozone removing device for image forming equipment | Physics | 7 | Expired |
| US4813868A | Image fixing method | Physics | 7 | Expired |
| US7515860B2 | Image forming method and image forming apparatus for same | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.