Hisao Satoh
27Patents
11h-index
21Co-inventors
71Inventor score
Filing activity: Mar 9, 1988 → Jul 5, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4863608A | Photocatalytic treatment of water for the preparation of ultra pure water | Emerging Cross-Sectional Technologies | 103 | Expired |
| US5172903A | Paper feed cassette | Performing Operations; Transporting | 47 | Expired |
| US5381167A | Color image forming apparatus | Electricity | 32 | Expired |
| US5210573A | Image forming apparatus | Physics | 24 | Expired |
| US5182595A | Image forming apparatus having an dismountable process cartridge | Physics | 23 | Expired |
| US5493366A | Image forming apparatus | Physics | 21 | Expired |
| US5006447A | Photosensitive resin plate for flexography | Physics | 21 | Expired |
| US5262824A | Image formimg apparatus with automatic process cartridge displacement for maintenance | Physics | 17 | Expired |
| US5319429A | Color image forming apparatus using fixing apparatus for glossy images | Physics | 17 | Expired |
| US5257037A | Compact image forming apparatus with color position adjustment | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5126789A | Image forming apparatus | Physics | 15 | Expired |
| US5220379A | Color image forming apparatus | Physics | 11 | Expired |
| US5079593A | Toner recycling mechanism detachably connected to a cartridge | Physics | 8 | Expired |
| US5331389A | Image forming apparatus with sheet discharging device | Physics | 6 | Expired |
| US5250989A | Image forming apparatus having detachable process cartridge with protective transfer zone cover | Physics | 6 | Expired |
| US5239348A | Color image forming apparatus | Physics | 6 | Expired |
| US5245394A | Image forming apparatus having an openable conveyance path | Physics | 5 | Expired |
| US5382998A | Image forming apparatus of a clamshell type | Physics | 5 | Expired |
| US5198865A | Color image forming apparatus | Electricity | 5 | Expired |
| US5204727A | Image forming apparatus | Physics | 4 | Expired |
| US5398097A | Image forming apparatus with driving mechanism for photoreceptor | Physics | 4 | Expired |
| US7510610B2 | Image recording sheet moistening device and image printing apparatus | Physics | 4 | Active |
| US5006905A | Separating apparatus of transfer material | Physics | 2 | Expired |
| US5399763A | Process for preparing optically active 2-aminopropanal | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5309202A | Image forming apparatus | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.